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Are You Susceptible To Vision Loss?

Vision loss is more common than you may think! In fact, it’s among the most prevalent disabilities in adults and children. Knowing what puts you at risk of developing vision loss is important and can help you to be proactive about caring for your eyes.

Below, we’ll explore the most common causes of vision loss and the risk factors associated with each.

Spreading awareness and education about visual health is just one way that our eye doctors near you can help. To schedule your comprehensive eye exam, call us today.

Common Causes of Vision Loss

Glaucoma

Glaucoma is a group of eye diseases caused by a buildup of pressure within the eye. Too much inner-eye pressure can damage the optic nerve and lead to vision loss.

Since symptoms don’t usually manifest in the early stages of glaucoma, getting regular eye exams is all the more crucial. Advanced or rapidly progressing glaucoma can show a variety of symptoms, such as blurred vision, headache, severe eye pain and redness, seeing halos around lights, and nausea.

Risk factors for developing glaucoma include:

  • Being 60 years or older
  • Family history of glaucoma
  • African, Asian, or Hispanic descent
  • High myopia (nearsightedness) or hyperopia (farsightedness)
  • Previous eye injury or certain eye surgeries
  • Certain medications, like corticosteroids
  • Thin corneas
  • Certain medical conditions, like diabetes, hypertension, heart disease, and sickle-cell anemia

Cataracts

Cataracts occur when the eye’s lens becomes cloudy. A healthy lens is clear and allows light to pass through it undisturbed.

Common cataract symptoms include cloudy or blurred vision, difficulty seeing at night, light sensitivity, double vision in the affected eye, and seeing colors as faded or yellowish.

Risk factors for developing cataracts include:

  • Aging
  • Diabetes
  • Hypertension
  • Smoking
  • Previous eye surgery, injury, or inflammation
  • Alcoholism
  • Extended use of corticosteroids

Age-Related Macular Degeneration (AMD)

AMD is the leading cause of severe vision loss in adults over the age of 60. It occurs when the macula (the small central portion of the retina, which is responsible for sharp, colorful, central vision) begins to wear down.

Early stages of AMD usually go unnoticed, but later stages of the disease can produce symptoms like blurred vision, dark or blurry areas in your central vision, and problems with color perception.

There’s not yet a cure for AMD, but certain treatments can help prevent vision loss.

Risk factors for developing AMD include:

  • Smoking
  • Obesity
  • Aging
  • Long-term sun exposure
  • Hypertension
  • Heart disease
  • Family history of AMD
  • Light-colored eyes
  • Farsightedness

Diabetic Retinopathy (DR)

Diabetic retinopathy is a complication of Type 1 or Type 2 diabetes that affects the light-sensitive tissue at the back of the eye called the retina.

Initially, diabetic retinopathy shows no symptoms but can eventually lead to blindness. As it develops, it can cause increased floaters, impaired color vision, dark spots in your visual field, and blurred vision.

Risk factors for developing diabetic retinopathy include:

  • Length of time from diabetes diagnosis — the longer you’ve had it, the higher your chances of developing visual complications
  • Uncontrolled blood sugar
  • Obesity
  • High cholesterol or blood pressure
  • Pregnancy
  • Smoking
  • African American, Hispanic, and Native American ethnicities
  • Family history of DR

So, what’s the bottom line ?

Multiple factors contribute to eye disease and vision loss, and some may even be relevant to you. If you think you may be at risk for vision loss or experience any of the symptoms listed above, speak with your eye doctor in Round Rock as soon as possible. We also recommend you have your eyes thoroughly examined every 1-2 years, or as often as your eye doctor recommends. To schedule your comprehensive eye exam, call Round Rock Vision today.

 

Frequently Asked Questions With Our Round Rock Eye Doctors

  1. Can blindness be prevented?

When caught early, many eye diseases can be treated to halt or slow the progression of the disease and potentially prevent vision loss. The best things you can do to preserve your vision for the long term is to lead a healthy lifestyle and make sure you undergo a comprehensive eye exam every 1-2 years.

  1. Which eye diseases are genetically inherited?

More than 350 ocular diseases have some sort of genetic component. Certain diseases, like retinitis pigmentosa and albinism, are directly inherited through chromosomal information. In other cases, a predisposition to the disease is inherited, rather than the disease itself.

How Sleep Apnea Affects The Eyes

Did you know that some eye conditions are associated with sleep apnea? According to the National Sleep Foundation, more than 18 million Americans have sleep apnea, and Health Canada reports similar prevalence. It’s a sleep disorder where people stop breathing — often multiple times per night — while sleeping.

If you have sleep apnea: it tends to take longer for your tears to be replenished, you’re more likely to have ocular irritation, you have a higher chance of developing floppy eyelids, and you’re at increased risk for glaucoma.

What Is Obstructive Sleep Apnea?

There are different types of sleep apnea. The most common one is obstructive sleep apnea (OSA). During OSA, your airway becomes partially blocked due to relaxed muscles in your nose and throat. This causes apnea (the absence of breathing) or hypopnea (abnormally shallow, slow breathing). It’s twice as common in men, and is more likely to affect people with obesity, hypertension, diabetes or heart disease.

What are the common symptoms of sleep apnea?

Sleep apnea occurs when the muscles in the back of your throat relax too much to allow normal breathing. These temporary breathing lapses cause lower-quality sleep and affect the body’s oxygen supply, which can lead to potentially serious health consequences.

While snoring is a common symptom, not everyone who snores has sleep apnea. Interrupted sleep can cause excessive daytime sleepiness, fatigue, irritability or depression, headaches in the morning, difficulty concentrating and thinking, and a sore throat.

Which Eye Conditions Are Associated With Sleep Apnea?

Glaucoma

Glaucoma occurs when increased pressure within the eye damages the optic nerve, which connects the eye to the brain, leading to vision loss and sometimes blindness. In some cases, it might be due to a drop in blood oxygen levels, which happens when you stop breathing. However, CPAP machines, one of the most common treatments for sleep apnea, can also cause glaucoma.

So, people with sleep apnea — even if it’s being treated — need to get their eyes checked on a regular basis for glaucoma.

Floppy Eyelid Syndrome

Floppy Eyelid Syndrome (FES) is an eye condition where a person has an unusually large and floppy upper eyelid. It can cause eye redness, irritation, discharge, or blurry vision — and over 90% of people with FES also have sleep apnea.

Non-Arteritic Anterior Ischemic Optic Neuropathy

Non-arteritic anterior ischemic optic neuropathy (NAION) is an eye condition that occurs when there is a loss of blood flow to the optic nerve. Patients typically complain of significant vision loss in one eye without any major pain. Approximately 70-80% of patients with NAION have been found to have OSA.

Retinal Vein Occlusion

Also referred to as an ‘eye stroke,’ retinal vein occlusion (RVO) is a blockage of the small veins that carry blood away from the retina. A recent study of 114 RVO patients found that sleep apnea was suspected in 74% of the patients that had previously been diagnosed with RVO.

Other Eye Health Issues Associated With Sleep Apnea

Some other ocular conditions that are more common in patients with sleep apnea include: papilledema, keratoconus, and central serous chorioretinopathy. Furthermore, in addition to glaucoma mentioned above, CPAP machines are associated with dry eye syndrome and bacterial conjunctivitis.

Talk To Your Doc

Get eye exams regularly to rule out eye disorders and prevent potential vision loss, especially if you have been diagnosed with sleep apnea. At Round Rock Vision in Round Rock we encourage you to share your medical history with us so we can better diagnose and treat any eye conditions or ocular diseases you may have, and help you keep your eyes nice and healthy.

Frequently Asked Questions with Dr. Keith Dennis

Q: What Causes Sleep Apnea?

  • A: Sleep apnea occurs when in-part or completely stop breathing when sleeping. This causes your lungs to strain harder for oxygen, and makes the brain send signals that jerk your body awake to resume proper breathing.

Q: What are the Warning Signs of Sleep Apnea?

  • A: A common sign of sleep apnea is loud snoring. Snoring that is loud enough to disturb the sleep of the patient as well as others around, even across the walls. That said, not everyone who snores suffers from obstructive sleep apnea.

Quality Frames For Prescription Eyeglasses & Computer Glasses In Round Rock, Texas. Visit Round Rock Vision for an eye exam and eyeglasses that match your style.

3 Benefits of Anti-Glare Coating

Glare refers to the excessive brightness caused by direct or reflected light. It can cause eye strain, digital eye strain (when using a computer, for example), halos, and headaches. Glare can also reduce visibility, making it unsafe to drive.

Anti-glare coating, also known as anti-reflective (AR) coating, is a thin layer applied to the surface of your eyeglass lenses that allows more light to pass through your lenses. By reducing the amount of glare that reflects off of your lenses, you can see more clearly and experience more comfortable vision. You can request anti-glare coating for lenses when you buy eyeglasses.

AR Coating Offers 3 Major Advantages

Better Appearance

Without an anti-glare coating on your glasses, camera flashes and bright lights can reflect off your lenses. This can hinder your appearance when speaking to people or in meetings, cause flash reflections when picture-taking, and make it difficult to find the right angle for video calls. Anti-reflective coating eliminates the harsh reflections and allows others to clearly see your eyes and face.

Reduced Digital Eye Strain

You know that tired, irritated feeling you get after staring at a digital screen for several hours? That’s digital eye strain. Anti-glare coating helps reduce digital eye strain by lowering exposure to excessive glare from digital devices and lighting.

Safe Driving at Night

The bright headlights from cars driving in the opposite direction can pose a serious danger when driving at night. These sudden glares can lead you to momentarily lose focus of the view ahead. AR coating on your prescription eyewear effectively reduces reflections from headlights at night, allowing you to enjoy a better view of the road and safer driving at night.

Let your eyes look and feel better every day with anti-glare coated lenses. Contact us to book your appointment today!

Frequently Asked Questions with Dr. Keith Dennis, O.D.

Q: Can you request lenses made from glass? Is glass still used for lenses?

  • A: Yes. Opticians still sometimes use glass for lenses. However, glass is not used very often because they aren’t as safe. If these glass lenses breaks, they can shatters into many pieces and can injure the eye. Glass lenses are much heavier than plastic lenses, so they can make your eyeglasses less comfortable to wear.

Q: Can a coating be added to eyeglasses to protect them from further scratches?

  • A: A protective coating can’t be added to a lens after it’s scratched. The coating is applied when the lens is manufactured and can’t be put on later.

Quality Frames For Prescription Eyeglasses & Computer Glasses In Round Rock, Texas. Visit Round Rock Vision for an eye exam and eyeglasses that match your style.

What You Should Know About Night Blindness

If you don’t see well while driving at night, there’s a chance you have night blindness. Night blindness, or nyctalopia, is the inability to see well at night or in dim lighting. It’s not considered an eye disease, but rather a symptom of an underlying problem.

Our eye doctor in Round Rock can help diagnose, manage and treat your night blindness with specialized digital eye exams, so that you can enjoy being out and about at night again.

Here are 4 things you should know about night blindness:

Causes of Night Blindness

The inability to see well at night can be the result of a condition such as:

  • Vitamin A Deficiency — Vitamin A helps keep your cornea, the layer at the front of your eye, clear; it’s also an important component of rhodopsin, a protein that enables you to see in low light conditions. Although uncommon in North America, deficiency of this vitamin can induce night blindness.
  • CataractsA buildup of protein clouds the eye’s lens, leading to impaired vision, especially at night and in poor lighting conditions.
  • Diabetic RetinopathyDamage to the eyes’ blood vessels and nerves can result in vision loss, including difficulty seeing at night.
  • GlaucomaThis group of eye diseases is associated with pressure build-up in the eye that damages the optic nerve. Both glaucoma and the medications used to treat it can cause night blindness.
  • MyopiaAlso called nearsightedness, myopia makes distant objects appear blurry, and patients with it describe a starburst effect around lights at night.
  • KeratoconusAn irregularly shaped cornea causes blurred vision and may involve sensitivity to light and glare which tend to be worse at night.
  • Retinitis Pigmentosa (RP)A progressive genetic eye disease which can be associated with other diseases, RP leads to night blindness and peripheral vision loss.
  • Usher SyndromeThis genetic condition causes both hearing loss and vision loss, including night blindness and RP, mentioned above.

Symptoms of Nyctalopia

Since night blindness is a symptom of some serious vision problems, it’s important to get your eyes checked regularly to ensure that everything is in good working order. Contact your eye doctor as soon as possible if you notice that you don’t see as well in dim light as you used to, such as when driving at night or when adjusting from being outdoors in the sunshine to being indoors.

Symptoms of Night Blindness Include:

  • Reduced contrast sensitivity
  • Difficulty seeing people outdoors at night
  • Difficulty seeing in places with dim lighting, like a movie theater
  • Trouble adapting to the dark while driving
  • Excessive squinting at night
  • Trouble adjusting from bright areas to darker ones

Treatments for Night Blindness

Your eye doctor will want to diagnose the cause of your night blindness in order to treat it. For example, in the rare case of vitamin A deficiency, it can be treated with vitamin supplements and vitamin-A rich foods; myopia can be corrected with eyeglasses or contact lenses. Other conditions may require medications or surgery.

If night blindness is caused by a birth defect, Usher syndrome, or retinitis pigmentosa, low vision aids and devices can help you make the most of your remaining vision.

Prevention

While there is no proven way to prevent night blindness resulting from genetic conditions or birth defects, consuming healthy, nourishing foods and taking certain vitamin supplements may prevent or slow the onset of some eye conditions that cause night blindness.

If you experience poor vision at night or in dim lighting, we can help. Contact Round Rock Vision in Round Rock to schedule your appointment today.

Frequently Asked Questions with Dr. Keith Dennis, O.D.

Q: Can you request lenses made from glass? Is glass still used for lenses?

  • A: Yes. Opticians still sometimes use glass for lenses. However, glass is not used very often because they aren’t as safe. If these glass lenses breaks, they can shatters into many pieces and can injure the eye. Glass lenses are much heavier than plastic lenses, so they can make your eyeglasses less comfortable to wear.

Q: Can a coating be added to eyeglasses to protect them from further scratches?

  • A: A protective coating can’t be added to a lens after it’s scratched. The coating is applied when the lens is manufactured and can’t be put on later.

Quality Frames For Prescription Eyeglasses & Computer Glasses In Round Rock, Texas. Visit Round Rock Vision for an eye exam and eyeglasses that match your style.

6 Common Myths About Glaucoma

Glaucoma is an eye disease in which increased pressure causes progressive, permanent vision loss and even blindness. Unfortunately, many misconceptions about the disease can leave you misinformed. Below we sort fact from fiction by debunking 6 of the most common glaucoma myths.

Glaucoma Facts vs. Myths

MYTH 1: Glaucoma is a single disease

FACT

Glaucoma is a group of eye diseases; the most common ones are open-angle glaucoma (OAG) and angle-closure glaucoma (ACG).

In open-angle glaucoma, the drainage structure in your eye (called the trabecular meshwork) doesn’t allow the fluid inside the eye to flow out as it should, causing an increase in internal ocular pressure that damages the optic nerve. OAG develops slowly, and usually by the time people perceive symptoms, such as peripheral vision loss, they already have optic nerve damage.

In angle-closure glaucoma, the eye doesn’t drain fluid as it should because the drainage channel between your iris and cornea becomes too narrow, causing increased eye pressure. This pressure damages the optic nerve, leading to vision loss. ACG can occur suddenly or gradually.

MYTH 2: Only the elderly suffer from glaucoma

FACT

Although it’s true that people over 60 are at a greater risk of developing open-angle glaucoma compared to people in their 40s, there are other types of glaucoma that can affect people aged 20 to 50 and even young infants (due to abnormal ocular development).

In addition to age, those with a higher risk of developing glaucoma include:

  • African Americans and Hispanics
  • Individuals with a family history of glaucoma
  • Patients with cardiovascular disease, diabetes, or sickle cell anemia
  • Those who have previously sustained an eye injury
  • People taking steroid medications over the long term

MYTH 3: Glaucoma shows symptoms early on

FACT

The most common form of glaucoma, open-angle glaucoma, shows virtually no signs or symptoms until its later stages when vision loss sets in. Despite what people may think, the increased eye pressure causes no pain. And since peripheral vision is the first to go, you may not recognize vision loss until your vision has become significantly impaired. The only way to detect glaucoma is to undergo a comprehensive eye exam.

MYTH 4: Nothing can be done once you have glaucoma

FACT

While there’s currently no cure for glaucoma, many effective treatment options exist: eye drops, oral medications, as well as laser and surgical procedures that can help slow glaucoma progression. Each treatment option is used to get the fluid to flow properly out of the eye, reducing pressure inside the eye and decreasing damage to the optic nerve.

MYTH 5: Testing for glaucoma is painful

FACT

Actually, testing for glaucoma is practically painless. One of the tests includes a non-contact device that blows a gentle puff of air into each eye to test the intraocular pressure. The sound of the puff may be startling, but it’s over in a second and is painless. With the Goldmann applanation tonometry test, an anesthetic eye drop is inserted into each eye, which may cause a stinging sensation for a few seconds. Your eye doctor will then use a blue light to quickly and gently touch the cornea to precisely measure intraocular pressure. The most accurate of all, however, are visual field testing and OCT (optical coherence tomography), non-invasive imaging, both of which are also painless.

MYTH 6: You can’t prevent glaucoma

FACT

Regular eye exams are the only way to prevent glaucoma, as blindness or significant vision loss can be prevented if the disease is diagnosed and treated in the early stages. That’s why routine comprehensive eye exams which include glaucoma testing are so important.

Getting your eyes checked regularly can ensure that any existing eye problems are detected early enough to prevent or slow ocular damage. Contact Round Rock Vision in Round Rock to book your comprehensive eye exam today!

Frequently Asked Questions with Keith Dennis, O.D.

Q: If one of my parents has glaucoma, does that mean I will develop it as well at some point?

  • A: Having a parent with glaucoma does not mean that the child will automatically develop the condition too. However, those people with an immediate family history (parents, siblings) of glaucoma are at more risk to develop this disease. Patients should have a comprehensive eye examination each year to evaluate the health of the eyes and to look for signs of glaucoma. Some of these signs can be an increase in the pressure of the eyes as well as changes to the appearance of the optic nerve. Many times there are no symptoms noticed by the patient. If there is suspicion of glaucoma, more frequent visits to the eye doctor along with additional nerve testing are often required.

Q: Why do I need to scan my retinas/back of the eye?

  • A: The retina shows us a lot about the overall ocular health as well as systemic conditions that can affect the eyes. Often diabetes, hypertension or high cholesterol can be observed from a retinal scan. Also, retinal scans allow us to diagnose and treat macular degeneration and glaucoma. Scans are often very important for a complete eye check up.

Quality Frames For Prescription Eyeglasses & Computer Glasses In Round Rock, Texas. Visit Round Rock Vision for an eye exam and eyeglasses that match your style.

Protect Your Eyes From Vision Loss: Diabetes Awareness Month

What Is Diabetic Retinopathy?

Diabetic Retinopathy (DR) is one of the most prevalent eye diseases affecting the working age population. It is thought to be caused by high blood sugar levels which, over time, damage the tiny blood vessels of the retina at the back of the eye, making them swell and leak. Left untreated, DR can lead to vision loss and eventually blindness.

Since diabetic eye disease is typically painless and shows no symptoms until its advanced stages, it’s critical to get your annual eye evaluation, as an optometrist can detect the developing signs early enough to prevent vision loss.

Symptoms of Diabetic Retinopathy 

Diabetics may not realize they have diabetic retinopathy, because it develops silently. As the condition worsens, it may cause: 

  • Blurred vision
  • Poor night vision
  • Colors to appear faded or washed out
  • An increased presence of floaters
  • Vision loss
  • Blank or dark areas in your field of vision

Diabetic retinopathy symptoms usually affect both eyes.

Risk Factors

If you are diabetic, caring for your eyes by undergoing routine eye exams and taking care of your body by controlling blood sugar levels are critical to preventing vision loss. There are several risk factors associated with diabetic eye complications, including: 

  • Poor blood sugar control
  • Smoking
  • High cholesterol 
  • High blood pressure
  • Pregnancy
  • Excess weight/obesity

Are There Any Treatments for Diabetic Retinopathy?

Today’s treatment options may improve your vision, even if you feel your eyesight has begun to deteriorate. Medications can be injected to reduce swelling, and laser surgery can be used to shrink and seal off swollen and leaking blood vessels — preserving and, in many cases, even improving vision. 

While certain treatments may work, frequent monitoring of your eyes coupled with managing your blood sugar levels can go a long way toward preventing or reducing diabetic retinopathy complications. 

If You Have Diabetes, Make Sure to: 

  • Control blood sugar and blood pressure to prevent long-term damage to the fine blood vessels within the retina.  
  • Keep a healthy lifestyle routine, especially during stressful times such as the COVID-19 pandemic. (Plus, while diabetics are in the high-risk category, your chances of developing serious COVID-19 related complications is lower if your diabetes is under control.)
  • Maintain a steady diet and exercise regimen to help the body and mind feel better. 
  • Quit smoking, if applicable; you can reach out to a medical professional for guidance.
  • Get yearly diabetic eye exams.

Preventing and managing diabetic retinopathy require a multi-disciplinary approach involving your eye doctor and other medical professionals. Your eye doctor will perform a comprehensive eye exam to determine whether you have diabetic retinopathy, assess its severity, and discuss preventative strategies as well as the latest treatment options. 

Contact Round Rock Vision at 512-248-2020 to schedule your diabetic eye exam today, and to learn more about what you can do to protect your vision and general health.

How Long Does It Take to Get Used to New Glasses?

Most people who wear glasses are familiar with the excitement and confidence boost that accompanies wearing new specs for the first time. But sometimes there is an adjustment period before your vision is fully comfortable. Things may look blurry, or you may notice feeling dizzy after prolonged wear. Some of these symptoms can be a normal part of the adjustment period, but sometimes they’re a reason to contact your eye doctor. If your new glasses are giving you trouble, speak with Dr. Keith Dennis about ensuring that your eyesight is both clear and comfortable.

When Will My Eyes Adjust to My New Glasses?

It can take a few days to a few weeks for your eyes and brain to fully adjust to your new eyewear, whether you are increasing your prescription or wearing eyeglasses for the first time.

Even if you are getting new glasses with the same prescription, different frames or lenses can alter your vision until you get used to the new frame style or lens type. The complexity of your prescription and whether you buy a lens with premium optics versus basic spherical lens or polycarbonate material all can affect the adjustment time.

Progressive lenses tend to be the most difficult to adjust to. This is related to the peripheral soft focus zones, which are much less blurred for customized lenses prescribed by your local optometrist.

What Are Some Possible Visual Symptoms I Could Experience?

Some common experiences shared by those adjusting to new eyewear include:

  • Eye strain, headache
  • Blurry vision
  • Trouble with depth perception, nausea and dizziness
  • “Barrel distortion” — objects appear distorted, for high plus lenses
  • “Fishbowl effect” — the feeling that your visual field is being bent along the edges, as if you’re looking through a fishbowl, common in high minus prescriptions

Why Do My New Glasses Give Me a Headache?

Fatigued eye muscles can cause headaches. But your eyes aren’t the only things adjusting to your new lenses. Your brain is also working hard to create a clear picture of the messages it’s receiving from your eyes. This extra brain activity can sometimes bring on a headache, which should only last about a day or so.

Why Do I Feel Dizzy With My New Glasses?

Dizziness and nausea can be caused by problems with depth perception, similar to motion sickness. With motion sickness, you feel uneasy because your brain is having difficulty understanding the position of your body in relation to the space surrounding it. So when you wear your new glasses, your brain may need some time to understand how to interpret the new images it’s receiving, causing you to feel disoriented or dizzy.

When Should I Call My Eye Doctor?

When the adjustment period extends beyond a few weeks, there is a possibility that there was an error in the manufacturing of the lenses. Many people purchase eyewear from somewhere other than their eye doctor or order glasses online, and some studies have shown that up to 40% of online eyewear is made incorrectly or inaccurately.

It’s important to note that many offices may charge fees to check eyewear that is not made by them and that there may be fees for rechecking a patient’s refraction when glasses are made by another source.

Discomfort that lasts longer than a couple of weeks means it’s time to call your optometrist. Persistent symptoms like headaches, dizziness, or blurry vision can indicate that your glasses aren’t well suited to your eyes and need adjusting. Your optometrist will double check the prescription of the glasses among other things to ensure that the new glasses are right for you.

If you need new glasses or are having a hard time adjusting to a new pair, don’t hesitate to contact Round Rock Vision to schedule an appointment with the Round Rock eye doctor.

Sunburned Eyes? Beware of Snow Blindness!

Playing outside in a snowy winter wonderland can be magical. Under clear skies in the sunshine, the soft white landscape becomes just about irresistible, whether at home or travelling on a winter-weather get-away. 

Before you let your children run outside to build the most adorable snowman or fling themselves onto the ski slopes, make sure their eyes are well protected. Sun and snow can be a dangerous combination for both the eyes and skin. 

Sunlight Reflected in the Snow

We all know why we need to wear sunglasses and sunscreen in the summer. Winter, however, can be deceiving. It’s an illusion to assume that we are safe from sunburns during the colder season. 

Snow acts as a powerful mirror for sunlight and magnifies the effects of UV rays which would otherwise be absorbed by the ground. As a result, the eyes are exposed to both the UV radiation bouncing back from the snowy carpet and the rays shining down directly from the sun. 

If your family is skiing or snowboarding up in the mountains, you need to be even more careful! UV rays are more powerful at higher altitudes. Another important factor to remember is that ultraviolet radiation penetrates through clouds, so even if the sun is hidden behind them, it can still damage your eyes.

Can I Get Sunburned Eyes?

As you may have already guessed, yes —it is possible to get sunburned eyes. The condition is called snow blindness, or photokeratitis. Although most people do not actually experience permanent vision loss, photokeratitis is usually painful, causes extreme sensitivity to light, and can take up to two weeks to fully heal. 

A single day of playing outside in the snow and being exposed to intensive sun glare can be enough to cause snow blindness— though usually with a delay of several hours following sun exposure. What’s worse, if the eyes are repeatedly sunburned there is a risk of long-term damage. 

Symptoms of Snow Blindness

Just like a typical skin sunburn appears only after having been exposed to the sun’s rays, the same is true for the eyes. One sign of overexposure to UV is a stinging or burning sensation in the eyes, or a feeling of having sand in your eyes after a day spent in the snow. 

When eyes are sunburned, they become highly sensitive to light, making it difficult to be outside. Other symptoms include blurred vision, watery eyes, and swollen eyelids. In rare cases, photokeratitis can even cause temporary vision loss, but it doesn’t usually last longer than a day or two.

How Do I Protect My Eyes From Sunburn?

Prevent overexposure to sunlight by wearing sunglasses that absorb at least 95% of ultraviolet radiation when you go outside, no matter what time of year it is. An even more effective solution for winter activities is to strap on a pair of well-fitting UV protective sports eyewear, such as ski goggles. Wrap-around styles are ideal because they stay on even when you’re active, and block the sun’s rays from entering your eyes from the sides too. 

For winter sports lovers, there are plenty of good reasons to wear protective eyewear, and what works well in sports can be good for play as well. 

How Can I Treat Sunburned Eyes?

It’s after the fact, and you’re suffering from photokeratitis… now what? Give your eyes a rest. 

  • Stay out of the sun for a few days until the symptoms die down. 
  • You may find it comforting to wear sunglasses even when indoors. 
  • For additional relief, place a cool, damp cloth over the closed eyelids while resting.
  • Don’t wear contact lenses until the eyes return to normal. 
  • Artificial tears can help keep the eyes moistened, soothe discomfort and promote healing. However, it’s important to consult an eye doctor before running to the pharmacy, since some eye drops are not well-suited for this condition. You can give us a call at 512-248-2020.

Now that you know the risks and precautions to take, you’re all set to enjoy the winter wonderland! Dr. Keith Dennis at Round Rock Vision is happy to help you protect yourself and your family from snow blindness, and offers expert treatment for sunburned eyes. 

Smart Hygiene Habits to Care for Your Contact Lenses

Swimming in a pool with your contacts on or topping off your solution may seem harmless, but they could compromise your contact lenses and your vision.

Below are daily habits to adopt for optimal contact lens care:

Wash Your Hands Regularly

Whether you use daily or monthly contact lenses, make sure to first wash your hands. Placing your finger on some clear tape and seeing the mark you leave will give you some indication of what you’re putting on your contact lenses if you don’t wash and dry your hands beforehand. Avoid using scented or oily soaps, as their residue might stick to the lens surface. Similarly, avoid creams and lotions prior to inserting contacts into your eyes. 

This one simple and easy habit can make a massive difference in your eye health and can potentially prevent eye irritation and infections. 

Clean Your Contacts Daily

You must clean and disinfect your contact lenses on a daily basis, unless you use daily disposables, of course. There are several cleansing systems and solutions available — the choice depends on the type of lens you use. Speak with Dr. Keith Dennis to determine the best cleaning solution for your lenses and eyes.

Avoid Contact with Water

It might seem harmless, but we advise against using tap water, as it contains impurities and microorganisms that can cause infections. Furthermore, tap water can lead your contacts to swell and change their shape. If you must swim with your contact lenses on, make sure to wear protective goggles and clean them with solution when you come out of the pool.

Never Ever Use Saliva 

Your mouth is filled with germs, which are fine for your teeth but not for your eyes. Avoid using saliva to “clean” or moisten your contact lenses.  

Do Not Top off Solution

Just as you shouldn’t mix spoiled food with fresh foods, you should not top off yesterday’s solution in your contact lens case with fresh solution. The concoction might not contain enough disinfectant to kill off organisms and clean your lenses. 

Routinely Change the Contact Lens Case

Many people don’t know about this one, but it’s recommended to change your contact lens case every 2-3 months, as microscopic dirt may linger in the case, leading to contamination and eye infections. 

Don’t Sleep with Your Lenses On

It’s important to give your cornea a chance to breathe; sleeping with your contacts may cause redness, soreness and infections. So make sure to remove your contact lenses before you get some shut-eye, unless they’re specialty lenses which are intended to be worn overnight. 

If you’re using orthokeratology (ortho-k) lenses to reshape your cornea, do wear them at night or as instructed by your eye doctor. 

Get That Annual Eye Exam

Don’t forget to book your yearly eye exam at Round Rock Vision in Round Rock, as your vision can change. You can’t purchase new contact lenses with an expired prescription anyway, so you’ll need an updated one when your contact lens supply is running low. Furthermore, getting an exam is also an excellent opportunity to ask Dr. Keith Dennis any questions you may have.

Help! My Child Doesn’t Want to Wear Glasses!

Do your kids need glasses in order to see clearly? Maybe they have a strong case of nearsightedness, perhaps they have astigmatism, or another type of refractive error. Whatever the cause, getting your kids to wear eyeglasses can be a parenting challenge.

Dr. Keith Dennis treats patients from all over Round Rock, Texas with their vision correction needs. The knowledgeable, caring staff at Round Rock Vision can help you and your kids if they’re struggling with their glasses or don’t want to wear them.

Why Won’t My Child Wear His or Her Glasses?

To help your children get the best vision possible, you first need to understand why they’re fighting with you over their glasses. It usually stems from something physical, emotional, or social, such as:

  • Wrong fit
  • Wrong prescription
  • Personal style
  • Reactions from friends

How do you know which it is? Pay close attention to the signs, from what your kids say, to how they behave, to how they interact with others.

Physical

Improper fit is a big reason why glasses could feel uncomfortable. If they slip down, itch behind the ears, or put pressure on the bridge of the nose, it can explain why a child wouldn’t like to wear them.

If there’s been a big change to their prescription, they may need time to get used to it. If they were given the wrong prescription, they may be straining their eyes, getting headaches, or having eye fatigue. An incorrect prescription can make wearing glasses painful or awkward. It doesn’t correct their vision, either, so they’ll still see blurry images. When this happens, your eye doctor can check the prescription and make an adjustment.

Emotional

Your kids at home aren’t the same as your kids in school, on the sports field, or with their friends. They may be afraid of being made fun of in school, or they may not want the sudden attention on their appearance. These feelings can be even stronger among the tween and teen set.

Social

Even young kids can feel different when they put on a pair of glasses, especially if it’s for the first time. Feeling different or weird, in their eyes, translates to a negative experience. When wearing glasses makes them feel like the odd man out, they may not want to wear them. The last thing your child wants is to feel like a social outcast. After all, everyone wants to belong.

How We Can Help

First, bring your child in to the eye doctor for an eye exam. Our optometrist, Dr. Keith Dennis, will check to make sure that your child has the right prescription and that any vision problems are being corrected. Next, we’ll take a look at the glasses and place them on your child’s face to determine if they’ve got the proper fit. Our optician will take care of any adjustments that need to be made.

The Vision They Need, The Style They Want

Fashion isn’t only for adults. Your budding fashionista or trendy young stud wants to look awesome, so don’t forget about style. When your kids look great, they’ll feel great! Give them the top-quality eyewear they need without compromising on style. Your kids are a lot more likely to wear glasses when they like the way they look.

What You Can Do to Help

Encourage, stay positive, and don’t give up. Avoid telling them what you want them to wear. Let them choose for themselves. In the end, they’re the ones wearing the glasses. Making decisions is an important life skill, something they’ll need as they grow up and become more independent.

For younger children, use positive words to encourage them. Talk about how glasses are like magic, letting them see beautiful things around them. Show them how a pretty flower or a bright red truck looks with the glasses on, and how different it looks with the glasses off. For older kids, throw in a little pop culture. Tell them how trendy they’ll look by showing them pictures of celebrities who also wear glasses. You’ll also rack up some cool parent points.

At Round Rock Vision, we have the experience and unique approach to children’s eyewear that will make your kids want to wear their glasses. Schedule an eye exam today – you can book an appointment online right here. If you have any questions or concerns, give us a call and we’ll be glad to help.