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Astigmatism Explained and How to Correct It

Astigmatism is a common vision condition that affects many people in Singapore, often causing blurred or distorted vision. While it may sound serious, in most cases astigmatism can be easily managed and corrected using contact lenses and spectacles.At Spectacle Hut, we offer specialised solutions such as toric contact lenses and prescription glasses for astigmatism to help you see clearly and comfortably.

What is Astigmatism?

Astigmatism occurs when the cornea or lens of your eye is not perfectly round but instead has an irregular curve. This irregular shape prevents light from focusing properly on the retina, leading to:

  • Blurred or distorted vision at all distances
  • Squinting to see clearly
  • Eye strain or headaches
  • Difficulty seeing at night

Many people in Singapore have mild astigmatism without realising it, which is why a professional eye examination at Spectacle Hut is important for accurate diagnosis.

Correcting Astigmatism

The good news is that astigmatism can be corrected with the right eyewear or contact lenses. Here are the most common solutions:

1. Astigmatism Glasses

Specially prescribed lenses help bend light correctly onto the retina, providing sharper and clearer vision.

2. Toric Contact Lenses

Unlike regular contact lenses, toric lenses are designed with different powers across the lens surface to correct the irregular curvature of the eye.

  • They provide stable, clear vision for astigmatism.
  • Available in both daily disposable and reusable options.
  • Comfortable and easy to adapt to with modern lens technology.

At Spectacle Hut, our optometrists can recommend the best toric contact lenses based on your lifestyle and eye health.

3. Other Treatments

In more severe cases, laser surgery or other corrective procedures may be considered. However, for most people, glasses or toric lenses provide effective, non-invasive solutions.

Why Regular Eye Exams Matter

Astigmatism can change over time, so it’s important to get regular eye exams at Spectacle Hut to monitor your vision and update your prescription when needed. Early detection ensures you always have the right correction for clear, comfortable sight.

Take the Next Step with Spectacle Hut

Astigmatism doesn’t have to blur your world. With glasses that correct astigmatism or toric contact lenses, you can enjoy sharper, clearer vision every day.

Book an Appointment with Spectacle Hut today for a professional eye examination and discover the best correction for your eyes.

Glaucoma is one of the leading causes of irreversible blindness worldwide, and Singapore is no exception. Often called the “silent thief of sight,” glaucoma develops slowly and without obvious early warning signs. By the time symptoms appear, significant vision damage may already have occurred.
That’s why regular eye exams are essential. At Spectacle Hut, we provide comprehensive eye exams to help detect glaucoma early, giving you the best chance to protect your eyesight.

What is Glaucoma?

Glaucoma is an eye disease caused by damage to the optic nerve, usually linked to high pressure inside the eye. Left untreated, it can lead to permanent vision loss.

There are two main types of glaucoma:

  • Open-angle glaucoma
    The most common form, developing gradually without noticeable symptoms.
  • Angle-closure glaucoma
    Less common but more severe, developing suddenly with intense symptoms that require immediate medical attention.

Early Warning Signs of Glaucoma

Glaucoma often develops silently, but some glaucoma symptoms to watch for include:

  • Gradual loss of peripheral (side) vision
  • Blurred or hazy vision.
  • Seeing halos around lights
  • Eye pain or redness (especially in acute cases)
  • Headaches and nausea (with angle-closure glaucoma)

Since symptoms can be subtle, many people don’t realise they have glaucoma until it’s advanced. This makes regular eye examinations at Spectacle Hut vital for early detection.

Why Regular Eye Exams Are So Important

A professional vision check can detect glaucoma in its early stages, even before symptoms appear. Regular eye exams are especially important if you:

  • Are over the age of 40
  • Have a family history of glaucoma
  • Suffer from diabetes or high blood pressure
  • Are highly myopic (short-sighted)

At Spectacle Hut, our optometrists use advanced equipment to measure eye pressure, examine the optic nerve, and assess overall eye health, so you can stay one step ahead of glaucoma.

Managing Glaucoma

While glaucoma cannot be cured, it can be managed effectively with early detection and proper care. Treatment options include:

  • Prescription eye drops to lower eye pressure
  • Laser therapy
  • Surgery for severe cases

The earlier glaucoma is identified, the more successful these treatments can be in slowing progression and preserving vision.

Take the First Step with Spectacle Hut

Glaucoma may be a silent condition, but with regular eye exams with Spectacle Hut, you don’t have to be caught off guard. Stay proactive and protect your vision. Book an Appointment with Spectacle Hut today.

If you find that your vision is blurry when trying to focus on things at a distance, there is a chance that you might have Myopia. Myopia is a medical term used to describe shortsightedness, also referred to as nearsightedness. People with Myopia find that objects or people at a distance look a bit blurry, but as soon as they get closer, they appear clearer. This is because when the light enters a myopic eye, it bends in a way that causes objects at a distance to blur.

In a nearsighted eye, the eyeball is elongated or stretched, creating a longer distance between the cornea and the retina (the “front” and the “back” of the eye) and causing the cornea to assume a different shape. This causes the blurriness in vision when trying to focus on objects too far away.

WHAT ARE THE SYMPTOMS OF MYOPIA?

Shortsightedness usually begins to show itself in childhood, with the degree of vision impairment stabilizing by early adulthood, although some symptoms can occur later in life. Common myopia symptoms include the following:

  • Squinting
  • Headaches
  • Having clear sight up-close when objects further away appear blurry

Myopia is hereditary and can be diagnosed with an eye
exam. External causes of myopia such as excessive TV watching have been reported, although genetics is the main contributing factor. If an additional defect such as glaucoma runs in the family, individuals are advised to have an eye exam every two to three years up until the age of 40.

 

WHAT IS HIGH MYOPIA?

The degree or severity of myopia is usually measured as negative by opticians, for example, mild myopia is measured at between -0.25 to -3.00 dioptres (D).

High myopia is categorised as any level measuring greater than -6.00 D. People with high myopia can be at risk from other complications related to eye health, such as cataracts, glaucoma or retinal detachment.

What are dioptres? Dioptres are the units of measurement used when describing the level of impairment. If you wear prescription lenses, the correction required in measured in dioptres with negative (-) meaning you’re shortsighted and positive (+) meaning you have longsightedness.

IS THERE A CURE FOR MYOPIA?

There is no definitive way to permanently end shortsightedness just yet. However, prescription glasses, contact lenses and eye surgery are effective measures for improving eyesight. Regular eye check-ups with an optometrist will help monitor myopic cases and ensure optimal eye health. Links have also been made between spending time outdoors, especially in the sun, and a positive effect on eyesight. Parents are also advised to limit the time children spend in front of computers or on digital devices like mobile phones and tablets as overuse can cause eyestrain.

LIVING WITH MYOPIA

Being shortsighted can make it difficult to function effectively, because of your impaired vision. It can also be uncomfortable for many people, who suffer from eyestrain and headaches as a direct side effect of myopia. The most common and effective way to manage the condition in children is to use prescription lenses such as Myopilux. It corrects far vision and reduces strain for near vision, which differs from the usual single vision lenses that only correct the vision, but do not help with eye strain. This allows you to enjoy perfect and comfortable vision, as well as ensuring the condition does not worsen.

AGE AND MYOPIA: KIDS VS ADULTS

Myopia usually shows between the ages of eight and 12. Complaints of headaches, inability to focus and difficulty seeing things on the whiteboard in the classroom are all signs of shortsightedness in children. If manifested in infancy, parents should look for signs such as squinting and rubbing of the eyes. Parents should have their child’s eyes checked at regular intervals to test for myopia. Early treatment of myopia in children may lead to a control of the condition early on in life, so the eyesight doesn’t worsen. Therefore, you should conduct checks on your child’s eyes regularly:

  • The first checkup should be done during the first year of their life.
  • The next should be at three and a half.
  • The third at five years old
After the age of five, regular health checkups and annual screenings should be sufficient to catch it early. Myopia in children can escalate quickly as their bodies and eyes grow. The growth of the eye might stretch the cornea and retina faster. However, children with myopia usually achieve steady vision in their teens. In adults, the deterioration of vision might also have hidden causes such as diabetes or cataracts.

Above content originates from Essilor.

Does My Child Have A “Lazy Eye”?

As parents, we are often vigilant about our children’s health, but when it comes to their vision, some concerns might go unnoticed until they become more pronounced. One such concern is amblyopia, colloquially known as a “lazy eye.” In the world of eye health, amblyopia is the clinical term for this condition. Amblyopia occurs when one or both eyes fail to develop clear vision, even with prescription glasses or contact lenses1. If left untreated, it can lead to permanent vision impairment in the affected eye(s).

Understanding Amblyopia

Amblyopia typically takes root before a child reaches the age of six2. This condition is more common than you might think, with an estimated 3% of children under six years old experiencing some form of amblyopia3. To prevent long-term consequences, early detection and intervention are crucial.

Common Causes of Amblyopia

Amblyopia can have various underlying causes, each affecting a child’s visual development differently. The most common ones include:

Strabismus (Eye Misalignment): When a child’s eyes are misaligned, meaning they do not work together as a team, it can lead to amblyopia. One eye may deviate from the straight-ahead position when focusing on an object, causing confusion in the brain4.

Uncorrected Large Refractive Errors: Highly nearsightedness, farsightedness, or astigmatism in one eye can result in amblyopia, especially when the other eye has normal vision5.

Asymmetrical Refractive Errors: A significant difference in vision between the two eyes can cause amblyopia in the eye with poorer vision6.

Eye Conditions: Congenital cataracts, droopy eyelids, and other structural issues in the eye can also contribute to amblyopia7.

Signs and Symptoms to Watch For

Identifying amblyopia in your child can be challenging, as the condition can develop without obvious outward signs. However, there are some subtle cues that parents can look out for, including:

Eye Deviation: Does your child’s eye appear to wander or turn away from the straight-ahead position when focusing on an object?

Head Tilt: Does your child frequently tilt their head when looking at an object, perhaps as an attempt to see it more clearly?

Depth Perception Issues: Does your child struggle to gauge the distance of objects correctly?

Eye Covering: Does your child frequently cover one eye while looking at things?

Bumping into Objects: Does your child tend to bump into objects or have difficulty with activities that require a sense of space?

Early Detection and Management

The good news is that amblyopia can often be corrected with the right interventions, especially when it is detected early. Typical treatment includes:

Prescription Glasses or Contact Lenses: Correcting significant refractive errors is the first step toward improving vision in the affected eye8.

Eye Patching: To encourage the use and development of the amblyopic eye, eye patching of the good eye may be prescribed. This helps the brain recognise and process visual information from the amblyopic eye9.

How Regular Eye Examinations Can Help Your Child

To safeguard your child’s visual health, it is essential to schedule regular eye examinations. Experts recommend that children visit their eye care practitioner every six months for a comprehensive eye check-up. Early detection of amblyopia can make all the difference in preserving and enhancing your child’s vision.

Our eye care professionals at Spectacle Hut are well qualified to conduct a comprehensive eye exam for your child. Book an appointment here at your nearest store.

1. “Amblyopia (Lazy Eye)” National Eye Institute. https://www.nei.nih.gov/learn-about-eye-health/eye-conditions-and-diseases/amblyopia-lazy-eye
2. “What Treatment Options are Available for a Lazy Eye?” Baton Rouge Eye Physicians. https://breyephysicians.com/blog/what-treatment-options-are-available-for-a-lazy-eye
3. “Amblyopia” NUHS. https://www.nuhs.edu.sg/For-Patients-Visitors/find-a-condition/Pages/Amblyopia.aspx
4. “What is Strabismic Amblyopia?” Vivid Vision https://www.seevividly.com/info/Lazy_Eye/Amblyopia/Strabismic_Amblyopia
5. “Amblyopia and the relevance of uncorrected refractive error in childhood” The College of Optometrists. https://www.college-optometrists.org/professional-development/college-journals/optometry-in-practice/all-oip-articles/volume-15,-issue-4/2014-11-amblyopiaandtherelevanceofuncorrectedrefra
6. “Amblyopia” AAPOS. https://aapos.org/glossary/amblyopia
7. “Amblyopia” Changi General Hospital. https://www.cgh.com.sg/patient-care/conditions-treatments/amblyopia-lazy-eye
8. “Refractive Amblyopia: Everything You Need to Know” MyVision.org. https://myvision.org/eye-conditions/refractive-amblyopia/
9. “Amblyopia: Patching” American Academy of Ophthalmology. https://www.aao.org/education/basic-skills/amblyopia-patching

Are You Having Difficulty Focusing Towards the End of the Day?

In our digital age where technology plays a pivotal role in work, education and leisure, many of us have experienced discomfort in our eyes after spending prolonged hours in front of screens, particularly as the day wears on. This article aims to explore the reasons behind having difficulty focusing on objects as the day goes by, provide insights into reducing digital eye strain and offer practical tips for maintaining better visual and overall well-being in our tech-driven world.

Understanding Our Eyes

The mechanics of our eyes require the contraction of our eye muscles to focus on objects at close range1. With the extended use of screens or consistent focus on nearby objects, these eye muscles can become fatigued, leading to spasms that affect our ability to focus properly2.

Additionally, during tasks that demand our full attention, like staring at a computer screen, we tend to blink less frequently. This reduced blinking can result in dry eyes because they aren’t being lubricated as often as they should be3. 

Impact of Digital Screens

The blue light emitted by digital screens has been linked to eye fatigue4. Collectively, these factors contribute to what’s known as Digital Eye Strain or Computer Vision Syndrome, a condition characterised by ocular and physical discomfort following prolonged periods of screen use5.

  • Symptoms of Digital Eye Strain include 
  • Blurred/double vision
  • Red/dry eyes
  • Eye fatigue
  • Neck/back pain
  • Headaches
  • Difficulty shifting focus between different distances6

These symptoms are often exacerbated by poor lighting, screen glare, improper viewing distances, poor sitting posture, and uncorrected vision issues7.

How to Ease Symptoms of Eye Strain

To mitigate the effects of Digital Eye Strain, consider the following tips:

Take Regular Breaks: Implement the 20-20-20 rule—every 20 minutes, take a 20-second break to gaze at an object at least 20 feet away. This brief pause helps relax your eye muscles8.

Blue Light Filtering Glasses: Invest in lenses that reduce the transmission of blue light to your eyes. These glasses can significantly decrease the strain caused by prolonged screen exposure9.

Artificial Tears: Use lubricating eye drops to keep your eyes moist, especially during extended periods of close work. This simple step can alleviate dryness and discomfort.

Adjust Your Workspace: Reduce screen glare by adjusting the position of your screen or your seating arrangement. Adequate lighting and proper ergonomics can make a world of difference10.

Screen Customisation: Tailor your screen settings to suit your comfort. Adjust font size, screen brightness, and contrast settings to ensure your eyes are not subjected to unnecessary strain.

By implementing these strategies, you can significantly reduce the discomfort associated with prolonged screen use and make your digital activities more enjoyable and eye-friendly. Your eyes will thank you for it in the long run.

How Crizal® Eyezen Protects You Against Visual Fatigue

Experience relief from visual fatigue with Crizal® Eyezen lenses. Whether you’re in front of large or small screens, at any distance, Eyezen™ Focus offers you extra support for clearer, more comfortable vision.

Thanks to Light Scan® and W.A.V.E Technology™, harmful blue violet light is filtered out while providing your eyes with ultimate clarity even in the digital age11. As a result, you enjoy sharp vision while your eyes stay relaxed and focused.

For more information on Crizal® Eyezen, click here or approach our staff at your nearest Spectacle Hut store.

1. Motlagh M, Geetha R. Physiology, Accommodation. [Updated 2022 Nov 15]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2023 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK542189
2. ”7 Tips to Avoid Screen Fatigue and Preserve Your Productivity.” Partnerstack. https://partnerstack.com/articles/tips-avoid-screen-fatigue-preserve-productivity
3. “Protect Your Eyes From Too Much Screen Time” American Academy of Ophthalmology. https://www.aao.org/newsroom/news-releases/detail/protect-your-eyes-from-too-much-screen-time
4. “Is Too Much Screen Time Giving You Eye Fatigue?” (2021, July 8). Harvard Business Review. https://hbr.org/2021/07/is-too-much-screen-time-giving-you-eye-fatigue
5. “Computer Vision Syndrome” American Optometric Association. https://www.aoa.org/healthy-eyes/eye-and-vision-conditions/computer-vision-syndrome
6. Kaur K, Gurnani B, Nayak S, Deori N, Kaur S, Jethani J, Singh D, Agarkar S, Hussaindeen JR, Sukhija J, Mishra D. Digital Eye Strain- A Comprehensive Review. Ophthalmol Ther. 2022 Oct;11(5):1655-1680. doi: 10.1007/s40123-022-00540-9. Epub 2022 Jul 9. PMID: 35809192; PMCID: PMC9434525.
7. “Digital eye strain: Causes and solutions” Chubb. https://www.chubb.com/au-en/articles/business/digital-eye-strain-causes-and-solutions.html
8. “20-20-20 Rule & How to Prevent Eye Strain” EVO ICL. https://us.discovericl.com/blog/the-20-20-20-rule-preventing-digital-eye-strain
9. “Do Blue Light Blocker Glasses Work? How to Find Out!” Assil Gaur Eye Institute. https://assileye.com/blog/blue-light-blocker-glasses-test/
10. “Ergonomics of lighting for productivity and well-being.” Fit For Work. https://fitforworksg.com/ergonomics-of-lighting-illuminating-the-path-to-better-productivity/ 
11. “Eyezen: Lenses For Digitally Connected People” Essilor Singapore. https://www.essilor.com.sg/products/eyezen

Night Vision and Driving Safety

For many of us, driving and commuting consume a significant portion of our daily routines, whether it is heading to work or simply meeting up with friends. However, despite the familiarity of these journeys, there are times when we find ourselves struggling to see clearly while driving at night. This article aims to shed light on this common issue by providing insights into why it happens and how to address it.

Visual Acuity and Field of Vision: Cornerstones of Safe Driving

When it comes to safe driving, two crucial factors stand out: visual acuity and visual field. Visual acuity measures our ability to see fine details1, such as road signs and distant objects, ensuring we can recognise obstacles and pedestrians well in advance. On the other hand, visual field consists of how wide our field of vision is when focused on a single point, allowing us to perceive neighboring vehicles and objects in our peripheral vision2.

Navigating the Spectrum of Lighting Conditions

Driving exposes us to a spectrum of lighting conditions. While a bright, sunny day can be a visual delight, it can also present challenges in the form of blinding glare that compromise our vision and safety3. Driving poses various vision-related risks4, including:

  • Blurry vision due to uncorrected refractive errors
  • Glare from headlights
  • Visual field deficits resulting from eye diseases like glaucoma
  • Poor night vision or night blindness

The Impact of Uncorrected Refractive Errors

Uncorrected refractive errors, such as myopia (nearsightedness) and astigmatism, can significantly affect our vision, especially while driving. Myopia may lead to the failure to recognise warning signals or pedestrians at slightly greater distances. Conversely, uncorrected astigmatism can result in blurred vision at all distances and increase susceptibility to glare, particularly during night driving5. This condition scatters light, causing halos or streaks around light sources, especially in low-light conditions6.

Confronting the Glare Challenge

Glare, whether from bright or dim lights, is a common adversary on the road. Attempting to discern objects under excessively bright lights can cause squinting and watery eyes, while dim lighting, prevalent during nighttime driving, diminishes image contrast, further impairing our vision7.

One effective way to combat glare and enhance night driving safety is by wearing specialised driving glasses. Equipped with an anti-reflective coating, these glasses reduce light reflections8 from sources like headlights and streetlamps. By mitigating glare, they prevent temporary blindness, enhancing both your safety and that of other road users.

Tips for Improved Night Driving Visibility

To enhance your visibility while driving at night, consider these practical tips:

  • Ensure your prescription for corrective glasses or contact lenses is up-to-date. Explore specialised lenses that reduce reflections and glare.
  • Keep your windshield, windows, headlights, and taillights clean and well-maintained for optimal visibility.
  • Regularly adjust your mirrors to minimise blind spots.

By understanding the underlying factors contributing to poor night vision and implementing these strategies, you can enjoy safer and more comfortable night drives, both for yourself and other road users.

How Crizal® Drive Helps with Night Driving and Safety

Experience the difference with Crizal® Drive lenses, designed to enhance your safety and clarity during night driving. Regardless of whether you drive occasionally or regularly, the distracting halos that accompany night drives can affect your vision. 

With up to 90% less reflection compared to ordinary lenses, Crizal® Drive minimises hazardous glare from surrounding lights, allowing you to drive confidently and securely in low light conditions9. These lenses are not limited to just the night; they also maintain sharp vision during the day, ensuring a comfortable and clear driving experience around the clock. 

For more information on Crizal® Drive, click here or approach our staff at your nearest Spectacle Hut store.

 

1. Levenson JH, Kozarsky A. Visual Acuity. In: Walker HK, Hall WD, Hurst JW, editors. Clinical Methods: The History, Physical, and Laboratory Examinations. 3rd edition. Boston: Butterworths; 1990. Chapter 115. Available from: https://www.ncbi.nlm.nih.gov/books/NBK219/
2. Spector RH. Visual Fields. In: Walker HK, Hall WD, Hurst JW, editors. Clinical Methods: The History, Physical, and Laboratory Examinations. 3rd edition. Boston: Butterworths; 1990. Chapter 116. Available from: https://www.ncbi.nlm.nih.gov/books/NBK220/
3. ”The Most Dangerous Time to Drive” National Safety Council. https://www.nsc.org/road/safety-topics/driving-at-night
4. “How Do Vision & Vision Loss Impact Driving?” NVISION Eye Centers. https://www.nvisioncenters.com/education/driving-and-vision
5. “Reasons you can’t see while you drive at night” Essilor UK. https://www.essilor.com/uk-en/blog/your-life-and-your-eyes/cannot-see-when-driving-at-night/
6. “How people with astigmatism see light” All About Vision. https://www.allaboutvision.com/conditions/astigmatism-lights/
7. “Avoid Glare While Driving at Night with Night Driving Lenses.” Essilor USA. www.essilorusa.com/newsroom/avoid-glare-while-driving-at-night
8. Whelan, C. (2020, January 29). Night Driving Glasses: Do They Work? Healthline; Healthline Media. https://www.healthline.com/health/night-driving-glasses
9. “Crizal Drive Lenses” Essilor Singapore. https://www.essilor.com.sg/products/crizal-drive

Dealing with Red Eyes in Contact Lens Wear: What You Should Know

Red eyes can be a common concern for contact lens wearers. While they can be attributed to various factors, it is essential to identify the cause accurately to ensure proper treatment and avoid potential complications. In this article, we will explore the common causes of red eyes in contact lens wearers and what you should and should not do.

Common Causes of Red Eyes in Contact Lens Wearers

  • Overwearing of contact lenses: Wearing contact lenses for longer than the recommended amount of time can deprive the eyes of oxygen and lead to red eyes1.
  • Sleeping with contact lenses on: Sleeping in contact lenses can increase the risk of infection and lead to red eyes2.
  • Low oxygen levels or poorly fitted contact lenses: Contact lenses that are too tight or made from materials that do not allow enough oxygen to reach the cornea can cause red eyes3.
  • Allergic reaction: Allergic reactions to contact lens solution, cleaning products, or the contact lenses themselves can cause red eyes4.
  • Dry eyes: Dry eyes are a common condition that can be exacerbated by contact lens wear. This can lead to red eyes, discomfort, and blurred vision5.
  • Poor contact lens and/or case hygiene: Poor contact lens and case hygiene can increase the risk of infection and lead to red eyes6.
  • Eye infection/inflammation: Eye infections and inflammation can cause red eyes, pain, and discharge7. A common eye inflammation is CLARE (Contact Lens Acute Red Eye).
  • Corneal ulcer: A corneal ulcer is a lesion on the cornea, the clear layer at the front of the eyes. It can be caused by infection, trauma, or severe dry eyes8. Corneal ulcers can be serious and require prompt treatment to prevent vision loss.

Contact Lens Acute Red Eye (CLARE)

CLARE is an inflammatory reaction of the cornea and conjunctiva associated with overnight contact lens wear9. It is caused by a combination of factors, including hypoxia (oxygen deprivation), inflammation, and mechanical irritation10. Symptoms of CLARE include red eyes, pain, light sensitivity, and contact lens intolerance11. CLARE commonly occurs in those who wear lenses to sleep overnight and may occur in one or both eyes. While CLARE usually resolves on after temporary cessation of contact lens wear and therapeutic treatment12, it may recur if non-compliant with proper lens care regime.

Preventing Red Eyes While Wearing Contact Lenses

There are a number of things you can do to prevent red eyes while wearing contact lenses:

  • Follow the recommended wearing schedule for your contact lenses.
  • Do not sleep in your contact lenses.
  • Wear contact lenses that fit well and are made from a material that has high oxygen permeability.
  • Avoid wearing contact lenses if you have an allergic reaction.
  • Lubricate your eyes regularly with rewetting eye drops to alleviate symptoms of dry eyes.
  • Practice good contact lens and case hygiene.
  • See your optometrist for regular checkups and contact lens fittings.

When to Seek Urgent Treatment

While red eyes in contact lens wearers can be due to various factors, understanding the underlying cause is essential for effective management. If you experience sudden redness or discomfort, it is crucial to discontinue lens wear and consult your eye care professional promptly.

Our eye care professionals are able to advise you on maintaining your eye health. Book your comprehensive eye exam here and enjoy clearer and healthier vision.

 

1. “Contact Lens Overwear” Asia Retina. https://asiaretina.com/contact-lens-overwear/

2. “Eye Infections From Contact Lenses” American Academy of Ophthalmology. https://www.aao.org/eye-health/diseases/contact-lens-related-eye-infections

3. Barba Gallardo LF, Muñoz Ortega MH, Ventura Juarez J, Aldaba Muruato LR, Sánchez Alemán E, Valdez Morales EE, Blancas Zugarazo SS, Villafan Bernal JR. Extended low oxygen transmissibility contact lens use induces alterations in the concentration of proinflammatory cytokines, enzymes and electrolytes in tear fluid. Exp Ther Med. 2018 May;15(5):4291-4297. doi: 10.3892/etm.2018.5989. Epub 2018 Mar 22. PMID: 29849773; PMCID: PMC5962872.

4. “Contact Lenses: When a Solution Is the Problem” American Academy of Ophthalmology. https://www.aao.org/eyenet/article/contact-lenses-when-solution-is-problem

5. “Dry Eye” National Eye Institute. https://www.nei.nih.gov/learn-about-eye-health/eye-conditions-and-diseases/dry-eye

6. Cope JR, Collier SA, Nethercut H, Jones JM, Yates K, Yoder JS. Risk Behaviors for Contact Lens-Related Eye Infections Among Adults and Adolescents – United States, 2016. MMWR Morb Mortal Wkly Rep. 2017 Aug 18;66(32):841-845. doi: 10.15585/mmwr.mm6632a2. PMID: 28817556; PMCID: PMC5657667.

7. “Eye Infections From Contact Lenses” American Academy of Ophthalmology. https://www.aao.org/eye-health/diseases/contact-lens-related-eye-infections

8. “What Is a Corneal Ulcer (Keratitis)?” American Academy of Ophthalmology. https://www.aao.org/eye-health/diseases/corneal-ulcer

9. “Bringing Clarity to CLARE” Review of Cornea and Contact Lenses.https://www.reviewofcontactlenses.com/article/bringing-clarity-to-clare

10. “Managing Contact Lens-associated Red Eye” Review of Cornea and Contact Lenses. https://www.reviewofcontactlenses.com/article/managing-contact-lensassociated-red-eye

11. “Bringing Clarity to CLARE” Review of Cornea and Contact Lenses.https://www.reviewofcontactlenses.com/article/bringing-clarity-to-clare

12. “Diagnosing and Managing Lens-Related Complications” Contact Lens Spectrum. https://www.clspectrum.com/issues/2010/march-2010/diagnosing-and-managing-lens-related-complications

Why Do I Need to Stretch My Arms to Read on My Mobile Device?

Have you ever found yourself adjusting your reading materials or digital screens to an arm’s length away to see them clearly? Perhaps you have even removed your eyewear to read a menu or enlarged the font size on your iPad to make the text more legible. If so, you are not alone.

Making these adjustments are often early signs of a common age-related vision change known as presbyopia, which usually affect individuals who are in their 40s1. In this article, we will delve into what presbyopia is, its symptoms, debunk common myths and explore the available solutions for presbyopia that maintain excellent vision as you age.

Understanding Presbyopia

Presbyopia is a vision condition characterised by the gradual loss of the eye’s natural lens’ ability to change shape and focus on near objects or distances2.Unlike other common vision problems like myopia (nearsightedness) or hyperopia (farsightedness) which are often present from a young age, presbyopia typically becomes noticeable when one reaches their forties. It affects everyone as they age, and understanding its development is essential for effective management.

Symptoms of Presbyopia

Presbyopia manifests through several symptoms, affecting daily life and tasks that demand clear near vision. These symptoms may include the following:

  • Difficulty reading small print, especially in low-light conditions.
  • Stretching of arms to read print materials such as a menu, or text on mobile devices.
  • Eye strain and discomfort during or after reading.
  • Frequent headaches, particularly after close-up tasks.
  • Blurred vision when transitioning from near to far objects and vice versa.

Debunking Common Myths About Presbyopia

Myth 1: I can buy off-the-shelf reading glasses to read.
While over-the-counter reading glasses can temporarily alleviate the symptoms of presbyopia, they are not customised to your specific vision needs. Off-the-shelf reading glasses provide a fixed prescription for both lenses, which may not address all your visual requirements accurately3 as your prescription often differs between both eyes.

Myth 2: Wearing reading glasses or progressive lenses will increase my reliance on glasses and cause my presbyopia to worsen.
Wearing reading glasses or progressive lenses as prescribed by an eye care professional will not cause presbyopia to worsen4. Instead, it will help you to see clearly up close without straining your eyes. Properly prescribed eyewear can significantly improve your quality of life.

Myth 3: Myopia cancels out or prevents presbyopia.
Myopia, commonly known as nearsightedness, involves difficulty focusing on distant objects. While myopic individuals may experience less trouble with close-up tasks, they are not exempt from presbyopia5. In fact, the two conditions can coexist, requiring appropriate correction for both near and far vision.

Exploring Solutions for Presbyopia

Fortunately, several effective solutions are available to manage presbyopia and restore clear near vision:

Prescription Reading Glasses: These customised glasses are tailored to your specific vision needs and provide clear near vision for reading and other close-up tasks6.

Progressive Lenses: Unlike traditional bifocal lenses, progressive lenses offer a seamless transition from near to far vision, eliminating the visible line found in bifocals7. They provide a more natural visual experience.

Contact Lenses: Multifocal contact lenses correct presbyopia, allowing wearers to see at various distances without the need for glasses8.

By working with an eye care professional and choosing the right corrective measures, you can maintain excellent vision and continue enjoying life’s many visual moments, regardless of your age.

How VARILUX® Helps with Presbyopia

All progressive lenses have some peripheral distortions caused by changes in curvature across the lens surface, which distort the way you see and reduce the clarity of your peripheral vision when looking through the lenses.

VARILUX® lenses provide sharp vision at every distance allowing you to see near, far and intermediate distances seamlessly with ease. Varilux progressive lenses feature W.A.V.E. 2 Technology9, which:

  • Identifies and eliminates distortion based on the prescription.
  • Customises wavefront correction to the patient’s needs.

Wearing VARILUX® lenses allows you to multitask effortlessly, provides sharp vision in three crucial distances and enables you to adapt quickly. Also, with reduced distortions, these lenses enable you to instantly focus in any situation, ensuring you always have clear vision when you need it.

For more information on VARILUX® lenses, click here or approach our staff at your nearest Spectacle Hut store.

 

1. Presbyopia – Symptoms and causes. (2021). Mayo Clinic; https://www.mayoclinic.org/diseases-conditions/presbyopia/symptoms-causes/syc-20363328
2. Clinic, C. (2015). Presbyopia: Symptoms, Causes & Treatment. Cleveland Clinic. https://my.clevelandclinic.org/health/diseases/8577-presbyopia
3. “Are Cheap Reading Glasses Helpful or Harmful to Your Eyes?” Vermont Eye Laser.  https://www.lasermyeyes.com/reading-vision/are-cheap-reading-glasses-helpful-or-harmful-to-your-eyes/
4. “Can Glasses Actually Make Your Vision Worse?” NVISION Eye Centers. https://www.nvisioncenters.com/glasses/worse-vision/
5. “Living with ‘lao hua’: How to deal with presbyopia.” CNA. https://www.channelnewsasia.com/lifestyle/lao-hua-presbyopia-remedies-multifocal-monovision-lasik-814181
6. “Why You Should Get Custom-Made Reading Glasses.” Lakeline Vision Source. https://www.lakelinevision.com/why-you-should-get-custom-made-reading-glasses/
7. “What Are Progressive Lenses and No Line Bifocals?” Master Eye Associates. https://www.mastereyeassociates.com/progressive-lenses
8. “How Do Multifocal Contact Lenses Work?” Perspectives Vision Clinic. https://perspectivesvisionclinic.com/how-do-multifocal-contact-lenses-work/
9. “Varilux Progressive Lens Technology.” Essilor USA. https://www.essilorusa.com/products/varilux/progressive-lens-technology

What Are Those Things Moving About in My Vision?

Have you ever noticed tiny, mosquito-like spots or wispy, translucent strands seemingly dancing around in your field of vision? Perhaps they become more conspicuous when you are gazing at a bright white screen or the clear expanse of a blue sky. These visual phenomena are often referred to as “floaters”1. Floaters can be a source of curiosity and, at times, concern. In this article, we will explore what floaters are, what causes them, and when they might warrant your attention.

Understanding Floaters

Floaters are those peculiar shapes and specks that seem to drift aimlessly across your visual field. They can resemble tiny dots, squiggly lines, or even cobwebs and can often follow the movement of your eyeballs. While they may appear bothersome, these visual disturbances are usually harmless2.

Age, Floaters and Eye Health

Floaters primarily make their presence known as a result of the natural aging process. Within our eyes, there exists a gel-like substance called the vitreous, which, with time, undergoes changes. As the vitreous degenerates and its components clump together, it casts shadows on the retina, leading to the perception of floaters3. In most cases, floaters are benign and do not necessitate intervention. They are a common occurrence, and many individuals experience them at some point in their lives. However, floaters may signal underlying eye conditions that demand prompt attention, for instance in the event of a retinal tear or detachment.

Causes of Floaters

  • Vitreous Degeneration: The degeneration of the vitreous is the most common cause of floaters4.
  • Retinal Tears and Detachment: Floaters may be accompanied by flashes of light or the sensation of a curtain across your vision, indicating a potential retinal issue5. This is an emergency that requires immediate medical attention.
  • Eye Inflammation (Uveitis): Inflammatory conditions of the eye, such as uveitis, can cause white blood cells to enter the vitreous. These white blood cells can clump together and form floaters6.
  • Eye Injuries
  • Diabetes

Posterior Vitreous Detachment (PVD), Retinal Tear and Detachment

One notable condition related to floaters is posterior vitreous detachment (PVD)7. In PVD, the vitreous separates from the retina. Usually, this detachment does not require any treatment; however, it can sometimes lead to more serious issues if it tugs on the retina and leads to a retinal tear, which may trigger a retinal detachment. In such a situation, it necessitates immediate medical attention, as it can be sight threatening.

Risk Factors of Floaters

Posterior Vitreous Detachment is more commonly observed in individuals aged 50 and above, due to age-related degenerative changes within the eye8 . However, several risk factors can predispose someone to experience it at a younger age. These factors include myopia9, cataracts10, diabetes8, eye injury or surgery7.

How Regular Eye Examinations Can Help Detect Issues

Floaters are a frequent occurrence, often stemming from the natural aging of the eye. While they are typically harmless, it is essential to remain vigilant about any sudden changes in their appearance or if they are accompanied by other concerning symptoms. Regular eye check-ups can help detect and address potential issues, ensuring your eyes stay healthy and your vision remains clear.
Our eye care professionals at Spectacle Hut are well qualified to conduct a comprehensive eye exam for you. Book an appointment here at your nearest store.

1. Johnson, J. (2019, July 17). What to know about eye floaters. Medicalnewstoday.com;
Medical News Today. https://www.medicalnewstoday.com/articles/325781
2. Health. (2021). Eye floaters. Vic.gov.au. https://www.betterhealth.vic.gov.au/health/conditionsandtreatments/eye-floaters
3. Are, W. (2022, November 29). What Are Floaters and Flashes? American Academy of
Ophthalmology. https://www.aao.org/eye-health/diseases/what-are-floaters-flashes
4. Ask the ophthalmologist: What causes floaters in the eye? | Eyes and Vision | UT
Southwestern Medical Center. (2022). Utswmed.org. https://utswmed.org/medblog/eye-floaters-flashes/
5. Retinal Detachment | National Eye Institute. (2022). Nih.gov. https://www.nei.nih.gov/learn-about-eye-health/eye-conditions-and-diseases/retinal-detachment
6. Bernstein, S. (2016, October 31). Why It’s Important to Treat Your Uveitis. WebMD;
WebMD. https://www.webmd.com/eye-health/uveitis-complications
7. “Posterior Vitreous Detachment – Patients – the American Society of Retina
Specialists.” Asrs.org, 2023, www.asrs.org/patients/retinal-diseases/9/posterior-vitreous-detachment
8. Bernstein, Susan. “Posterior Vitreous Detachment.” WebMD, WebMD, 27 Nov. 2016, www.webmd.com/eye-health/posterior-vitreous-detachment-facts
9. Hayashi K, Manabe SI, Hirata A, Yoshimura K. Posterior Vitreous Detachment in Highly
Myopic Patients. Invest Ophthalmol Vis Sci. 2020 Apr 9;61(4):33. doi: 10.1167/iovs.61.4.33. PMID: 32334432; PMCID:
PMC7401972.
10. Hilford, D., Hilford, M., Mathew, A. et al. Posterior vitreous detachment following
cataract surgery. Eye 23, 1388–1392 (2009). https://doi.org/10.1038/eye.2008.273

Enjoying Good Vision During Our Golden Years

As we age, it is natural for our vision to undergo changes. You might find yourself reaching for reading glasses when browsing your iPad or taking a little more time to adjust to different lighting conditions. These shifts in vision are common as we grow older, but what should we do about changes that are almost unnoticeable but might signal a deeper, more pressing issue?

The Silent Thief of Sight

Many eye conditions can develop gradually and may not present symptoms in their early stages. By the time noticeable signs emerge, the damage to your vision can be severe and irreversible. A prime example is glaucoma. Glaucoma arises when fluid accumulates within the eye, increasing eye pressure which damages the optic nerves at the back of the eyes. This damage leads to a loss of peripheral vision1. What makes glaucoma particularly insidious is its tendency to be hereditary, with an elevated risk among individuals who are myopic (nearsighted)2. Unfortunately, glaucoma remains asymptomatic in its initial stages, leaving many unaware of their condition until it reaches an advanced state.1 Regular, comprehensive eye examinations is the key to detecting glaucoma early3.

Impact of Systemic Health on the Eyes

Systemic conditions such as diabetes and hypertension can affect eye health and lead to vision loss4. These conditions damage the blood vessels in the eyes, resulting in blood and fluid leakage that can cause blurred vision or dark patches at a severe stage4. Your eye health can reveal information about your systemic health. During a comprehensive eye examination, our skilled optometrists may detect early signs or symptoms that could point to broader systemic health concerns. Since various eye conditions can manifest without obvious symptoms in their initial stages, regular eye check-ups are particularly important, especially for individuals over the age of 405. In this age group, eye exams can serve as early warning systems, allowing for prompt interventions that might mitigate more significant health issues.

Tips to Safeguard Your Vision

Here are some proactive steps to safeguard your vision and maintain healthy eyes as you age:

Shield Your Eyes from UV Damage: Whenever you are outdoors, protect your eyes from harmful UV rays by wearing sunglasses.

Kick the Habit: Avoid unhealthy lifestyle habits like smoking, which can cause early eye degeneration.

Prioritise Overall Health: Managing chronic systemic conditions like diabetes and hypertension is essential for preserving your vision.4

Nourish Your Body: Maintain a balanced diet rich in antioxidants and vitamins, which can positively impact your eye health6.

Schedule Regular Eye Exams: Annual eye exams detect any eye changes early on5, so that any suspicious signs can be investigated and addressed promptly.

The Importance of Regular Eye Exams

Regular eye exams play a critical role in catching eye conditions before they progress to a more advanced stage, potentially preserving your vision and quality of life. Detecting eye conditions early allows for more effective management and treatment7. Don’t wait until you notice significant changes in your vision or experience discomfort to schedule an eye exam. Take proactive steps to safeguard your eye health by booking a comprehensive eye exam today. Book an appointment here at your nearest store.

1. What Is Glaucoma? Symptoms, Causes, Diagnosis, Treatment. “What Is Glaucoma? Symptoms, Causes, Diagnosis, Treatment.” American Academy of Ophthalmology, 6 Dec. 2022, www.aao.org/eye-health/diseases/what-is-glaucoma

2.  Iglesias AI, Ong JS, Khawaja AP, Gharahkhani P, Tedja MS, Verhoeven VJM, Bonnemaijer PWM, Wolfs RCW, Young TL, Jansonius NM, Craig JE, Stambolian D, van Duijn CM, MacGregor S, Klaver CCW; International Glaucoma Genetics Consortium (IGGC) and Consortium for Refractive Error and Myopia (CREAM). Determining Possible Shared Genetic Architecture Between Myopia and Primary Open-Angle Glaucoma. Invest Ophthalmol Vis Sci. 2019 Jul 1;60(8):3142-3149. doi: 10.1167/iovs.18-26231. PMID: 31323684; PMCID: PMC6645704.

3. “Five Common Glaucoma Tests | Glaucoma.org.” Glaucoma.org, 9 Feb. 2022, glaucoma.org/five-common-glaucoma-tests/

4. CDC. “Diabetes and Vision Loss .” Centers for Disease Control and Prevention, 19 Dec. 2022, www.cdc.gov/diabetes/managing/diabetes-vision-loss.html

5. “Eye Exams.” Singapore National Eye Centre, 2019, www.snec.com.sg/eye-exams

6. “Diet and Nutrition.” Aoa.org, 2023, www.aoa.org/healthy-eyes/caring-for-your-eyes/diet-and-nutrition

7. “Blindness and Vision Impairment.” World Health Organization: WHO, 10 Aug. 2023, www.who.int/news-room/fact-sheets/detail/blindness-and-visual-impairment