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All About Vision

Eye Floaters and Spots

Eye floaters are spots, squiggles or flecks that appear to drift into your visual field. Usually they are harmless, a benign, albeit annoying sign of aging. If however, your floaters are accompanied by a sudden loss of vision, pain or flashes, they could be a sign of an underlying serious eye condition and should be checked out by an eye doctor as soon as possible.

What are Eye Floaters and Spots?

Floaters, like their name, are specks or spots that float in and out of your visual field. Usually they move away when you try to focus on them. They can appear as dark dots, threads, squiggles, webs, or even rings.

But what causes them to appear? Floaters are shadows from clumps of fibers within the vitreous, the jelly-like substance in your eye, that are cast on the retina at the back of the eye. Usually, floaters don’t go away, but you tend to get used to them and eventually notice them less. Patients usually see them more when they are looking at a plain background, like the blue sky or a white wall.

In most cases, there is no treatment for floaters, people just get used to them, however if there are more serious symptoms that accompany them, there could be an underlying problem such as inflammation, diabetes or a retinal tear that needs to be addressed and treated. If the floaters are so serious that they are blocking your vision, a surgical procedure to remove the clumps may be performed.

What Causes Floaters?

Age: Although floaters may be present at any age, they are often more apparent as a result of aging. With time, the fibers in the vitreous begin to shrink and clump up as they pull away from the back of the eye. These clumps block some of the light passing through your eye, causing the shadows which appear as floaters. You are also more likely to develop floaters if you are nearsighted.

Eye Surgery or Injury: Individuals who have previously had an injury, trauma or eye surgery are more susceptible to floaters. This includes cataract surgery and laser surgery as well as other types of eye surgery.

Eye Disease: Certain eye diseases such as diabetic retinopathy, eye tumors or severe inflammation can lead to floaters.

Retinal Tears or Detachment: Retinal tears or detachments can be a cause of floaters. A torn retina can lead to a retinal detachment which is a very serious condition where the retina separates from the back of the eye and if untreated can lead to permanent vision loss.

When to See a Doctor

There are some cases where seeing spots is accompanied by other symptoms that could be a sign that there is a more serious underlying problem. The most common of these is seeing flashes of light. This often happens when the vitreous is pulling on the retina which would be a warning sign of a retinal detachment. Retinal detachment must be treated immediately or you can risk a permanent loss of vision. Flashes of light sometimes also appear as symptoms of migraine headaches.

If you experience a sudden onset or increase in floaters, flashes of light, pain, loss of side vision or other vision disturbances, see a doctor immediately. Further, if you have recently had eye surgery or a trauma and you are experiencing floaters during your recovery, it is advised to tell your doctor.

Generally, floaters are merely a harmless annoyance but keep an eye on your symptoms. As with any sudden or serious change in your health, it is worth having them checked out if they are really bothering you. In some cases, they may be an early warning sign of a serious problem that requires swift treatment to preserve your vision.

Eyeglass Frames

Are you in the market or mood for a new pair of eyeglasses? The selection is vast, with many fashionable, attractive pairs of glasses to browse through. How can you narrow down your options and choose the style of frames that are best for you?

Questions to Ask Yourself When Choosing Eyewear

  1. What’s my taste? Do I prefer a bold or subtle expression? Do I favor modern lines, a retro look or more conservative, classic styles?
  2. Where do I plan to wear these frames- at work, in the backyard, or for social outings?
  3. What colors work best with my skin and hair tones?
  4. What are the primary colors in my wardrobe?
  5. What’s the shape of my face?
  6. Do I like my current eyeglasses? If not, then what’s the problem?

Bring this information to your optician when you pay a visit to the eyeglass store, and most of the work will already be done! Your optician, who is highly skilled and an expert in fitting your eyewear will be able to hone in quickly on the eyeglasses that are most suitable.

How to Judge Fit and Comfort

Research conducted by the eyewear industry indicates that women pay more attention to how eyeglasses appear on their face, while men are more interested in how they feel and fit. Yet even if looks are your primary concern, if your eyeglasses aren’t comfortable – you won’t be pleased for long.

To judge the fit of frames when trying them on:

  • Frames should be wide enough for your face and not too snug on sides of your head. The edges of your eyeglasses should extend beyond the sides of your face. This ensures that the temples won’t press in on your head as they rest on your ears.
  • The curves at the end of each temple should go past your ear without pushing down on it. If they don’t, then the temples aren’t long enough.
  • The built-in nose piece or silicone nose pads should fit comfortably and firmly, without pinching the bridge of your nose. Silicone nose pads can generally be adjusted.
  • Your glasses should be able to stay in place when you move your head to and fro. Nod a few times, turn your head right and left, and bend over to touch the floor. Make sure that your glasses don’t slip off.

Is One Pair of Eyeglasses Enough?

Take a look at your closet. You likely own more than one pair of shoes, right? Unless you’re on a very tight budget, more than one pair of eyeglasses isn’t a luxury. Eyewear is a hip accessory, and the same pair may not be appropriate for all parts of your modern lifestyle. Just like your clothing, your eyeglass needs differ for home, work and social occasions.

If owning a solitary pair is enough for you, then choose frames that you love and feel good about no matter what you’re wearing or where you go. These eyeglasses will be on your face constantly, so take your time and pick a style that fits your unique personality and vision requirements.

Kids' Vision & Learning

There’s More To Children’s Learning Than Just 20/20 Vision

children rely on good eyesight to do schoolwork

Even if your child doesn’t need corrective lenses, he or she may be experiencing vision problems. These eye conditions can cause learning problems and substandard educational results. A child’s visual acuity (how well s/he can see the wall chart) is an essential aspect of good vision but there are other factors which may prove more important. You may already be aware that a nearsighted child has little trouble reading or that good grades in school can be acquired even if much of the teacher’s board cannot be seen by the student.

Questions Related to Eyesight and Learning

Eye movement skills:

Do your child’s eyes move across the page in a book smoothly and accurately?

Eye focusing abilities:

Does your child change focus from near to far and back again – between reading text from a far-away white or black-board and writing on paper?

Eye teaming skills:

Are your child’s eyes working together as a focus unit – do they come together for proper eye alignment for reading?

Binocular vision skills:

Are your child’s eyes blending visual images from both eyes into a single, three-dimensional image?

Visual perceptual skills:

Does your child identify and understand what s/he sees, co-relating importance, connecting with previous visual memorized information?

Visual-motor integration:

Is the quality of your child’s eye-hand coordination balanced? Visual-motor integration is important not only for legible handwriting and the ability to efficiently copy written information from a book or board but also for sports. Deficiencies in any of these can be detrimental to a child’s learning ability and/or school performance.

Vision Problems Do Affect Kids Learning

Undetected learning-related vision problems in children are common. A child with an untreated vision problem may be misdiagnosed with behavior problems or ADHD/ADD when in reality they have a vision problem. Vision problems, in extreme cases, ignored or misdiagnosed, can become the true root cause of a child becoming the victim or aggressor in a school bullying tragedy.

Left untreated, vision problems will hinder your child’s learning in school. Studies have shown that at least 13% of children between the ages of nine-thirteen suffer from moderate to severe convergence insufficiency, the ability to bring one’s eyes together, which is crucial for good reading. Studies demonstrate clearly that 1 out of 4 school-age children suffer from at least one learning related vision problem.

Learning-Related Vision Problems

Signs and Symptoms

Some of the most common roadmap symptoms of learning-related vision disorders are:

  • Double vision, particularly during or after reading
  • Poor handwriting
  • Hyperactivity or recklessness during class
  • Word and letter reversals
  • Easily distracted during reading
  • Poor reading comprehension
  • Poor overall school performance
  • Circumventing of reading
  • Blurred vision, especially after reading or working closely
  • Eye Strain or frequent headaches

Call us to schedule a comprehensive child’s vision exam if your child exhibits one or more of these signs or symptoms and is exhibiting these types of problems in school.

Comprehensive Child Vision Exam

A comprehensive child’s vision exam includes tests performed in a routine eye exam, plus specific additional tests for detecting learning-related vision problems.

Extra tests would include accommodation, binocular vision, and ocular motility testing. In addition to these, depending on the type of problems your child is displaying, we may recommend other testing, either in our office or with a child’s vision and/or vision development specialist.

Vision Therapy

Special reading glasses or vision therapy may help your child if s/he has a learning-related vision problem that cannot be corrected with regular glasses or contact lenses. Vision therapy entails eye exercises and other activities specifically tailored for each patient to improve vision skills.

Learning Disabilities and Vision

Although children with learning disabilities may also have vision problems that are contributing to their difficulties in the classroom, vision therapy is a treatment for vision problems; it does not correct a learning disability. A child’s learning ability and school performance may indicate learning disabilities and/or vision problems.

Once your child’s comprehensive vision exam is completed, our doctor will advise you about whether a program of vision therapy could be helpful. We will refer you to a children’s vision or education/learning specialist if we do not provide the specified additional services your child needs.

Eye Allergies

Along with congestion, runny nose, coughing, sneezing, headaches and difficulty breathing, individuals with allergies often suffer from eye allergies or allergic conjunctivitis resulting in red, watery, itchy and sometimes swollen eyes. Just as irritants cause an allergic response in your nasal and respiratory system, your eyes also react with an oversensitive immune response, triggered by an environmental substance that most people’s immune systems ignore. Most individuals with allergies also suffer from eye allergies which affect millions of North Americans, particularly with seasonal allergic conjunctivitis (SAC) which is common during the spring, summer and fall.

What Causes An Eye Allergy?

Eye allergies, or any allergies for that matter, occur when the immune system is hypersensitized to a stimulus in the environment that comes into contact with the eye. The allergen stimulates the antibodies in the cells of your eyes to respond by releasing histamine and other chemicals that cause the eyes and surrounding tissue to become inflamed, red, watery, burning and itchy.

Eye allergens can include:

  • Airborne substances found in nature such as pollen from flowers, grass or trees.
  • Indoor allergens such as pet dander, dust or mold.
  • Irritants such as cosmetics, chemicals, cigarette smoke, or perfume.

Tips for Coping With Eye Allergies

Allergies can go from mildly uncomfortable to debilitating. Knowing how to alleviate symptoms and reduce exposure can greatly improve your comfort and quality of life, particularly during allergy season which can last from April until October.

To reduce exposure to allergens:

  1. Stay indoors and keep windows closed when pollen counts are high, especially in the mid-morning and early evening.
  2. Wear sunglasses outside to protect your eyes, not only from UV rays, but also from airborne allergens.
  3. Avoid rubbing your eyes, this can intensify symptoms and increase irritation. When the eyes get itchy, it is difficult not to rub and scratch them. However, rubbing the eyes can aggravate the allergic cascade response, making them more swollen, red, and uncomfortable.
  4. Check and regularly clean your air conditioning filters.
  5. Keep pets outdoors if you have pet allergies and wash your hands after petting an animal.
  6. Use dust-mite-proof covers on bedding and pillows and wash linens frequently.
  7. Clean surfaces with a damp cloth rather than dusting or dry sweeping.
  8. Remove any mold in your home.
  9. Reducing contact lens wear during allergy season or switch to daily disposable contact lenses.

Treatment for the uncomfortable symptoms of allergic conjunctivitis include over-the-counter and prescription drops and medications. It is best to know the source of the allergy reaction to avoid symptoms. Often people wait until the allergy response is more severe to take allergy medication, but most allergy medications work best when taken just prior to being exposed to the allergen. Consult your eye doctor about your symptoms and which treatment is best for you.

Non-prescription medications include:

  • Artificial tears (to reduce dryness)
  • Decongestant eyedrops
  • Oral antihistamines

Prescription medications include eyedrops such as antihistamines, mast-cell stabilizers, or stronger decongestants as well as non-steroidal anti-inflammatory drugs (NSAIDs) or corticosteroids.

Immunotherapy which are allergy injections given by an allergist are sometimes also helpful to assist your body in building up immunity to the allergens that elicit the allergic response.

If no allergy medicine is on hand, even cool compresses and artificial tears can help alleviate symptoms.

Finding the right treatment for your allergies can make all the difference in your quality of life, particularly during the time of year when most of us like to enjoy the outdoors.

Eyeglass Basics

glasses tortishell slide

Modern eyewear serves a dual purpose. In addition to being a vision-correcting medical device used to enhance your safety and quality of life, eyeglasses have become a major fashion accessory. Therefore, when it comes to selecting eyeglasses, there are many important factors to consider.

The Frame

Frames are made from a large variety of materials ranging from acetates and hard plastics to metals and metal alloys. The quality of frame materials is very high nowadays with many cutting-edge manufacturers investing heavily in developing new innovations and materials to make stronger, more flexible, lighter and more beautiful frames.

In considering the optimal material for your eyeglass frame, your lifestyle plays a big role.  Children and those with active lifestyles require durable and flexible frames that are resistant to breaks from hits and falls.  Those who have skin allergies need to seek out frames made from hypoallergenic materials such as acetate, titanium or stainless steel. Other characteristics of frame materials to consider are the weight or flexibility of the material as well as the price. Many designers also use wood, bone or precious metals to adorn frames.

Hinges and nosepads also play an important role in the durability and comfort of your frames. Children in particular can benefit from spring hinges and nosepads which can keep the frames from slipping off. Rimless or semi-rimless glasses are also an option if durability is not a primary concern.

Frame size is a very important factor in frame selection.  Frames should fit well and not slip off the nose or be too tight and press against the temples or the sides of the nose.

More and more top fashion design brands are coming out with designer eyewear collections to suit every taste and style. Frames come in all colors, sizes and shapes so the choices are endless in finding a frame that suits your personal style and looks good with your face shape and coloring.

Lenses

Even though people spend much more time focusing on frame selection, as a medical device, the lenses of your eyeglasses are the most important part.  It is therefore very important that you obtain your lenses (and therefore your glasses) from a reputable source.  It is always best to buy eyeglasses through an eye doctor who is able to check that the lenses are made and fitted properly to ensure your best possible vision.

There are a number of variables to consider in selecting lenses.

If you have a high prescription that requires thicker lenses, you may want to ask for aspheric lenses, which are thinner than normal lenses.

There are lenses that are made from materials that are more durable and shatter-resistant such as polycarbonate or trivex, which can be useful for children or sports eyewear.

Photochromic lenses can serve as eyeglasses and sunglasses as the lenses darken when exposed to the sunlight to block out the sunlight and UV rays.

Polarized lenses create greater eye comfort by reducing glare specifically from the water or snow and are great for sunglasses for those that spend time outdoors.

There are also a number of coating options that you can add onto lenses to enhance certain characteristics such as anti-reflective coatings, anti-scratch coatings or UV coatings to reduce exposure from the sun. Adding a coating may require special cleaning or treatment, so ask your eye doctor or optician about special instructions.

Eyeglasses Over 40

Once you approach age 40, you are likely to begin to experience presbyopia, which is the loss of the ability to focus on close objects. This happens as the eye begins to age and can easily be corrected with reading glasses. However, if you already have an eyeglass prescription for distance vision, you will need a solution that enables you to see your best both near and far.

There are a number of options available for presbyopes including bifocals, multifocals and progressive lenses, with new technology improving the options all the time. You should speak to your eye doctor about the best solution for your individual needs.

Whether they are for a child’s first pair, a second pair of designer frames or a senior with a complicated prescription, you should always consult with your eye doctor for a new pair of glasses. Ultimately, your eyeglasses have a job and that is to help you to see your best to get the most out of every day.

Dry Eye Syndrome

Dry eye syndrome (DES or dry eye) is a chronic lack of sufficient lubrication and moisture on the surface of the eye. Its consequences range from minor irritation to the inability to wear contact lenses and an increased risk of corneal inflammation and eye infections.

Signs and Symptoms of Dry Eye

Persistent dryness, scratchiness and a burning sensation on your eyes are common symptoms of dry eye syndrome. These symptoms alone may be enough for your eye doctor to diagnose dry eye syndrome. Sometimes, he or she may want to measure the amount of tears in your eyes. A thin strip of filter paper placed at the edge of the eye, called a Schirmer test, is one way of measuring this.

Some people with dry eyes also experience a “foreign body sensation” – the feeling that something is in the eye. And it may seem odd, but sometimes dry eye syndrome can cause watery eyes, because the excessive dryness works to overstimulate production of the watery component of your eye’s tears.

What Causes Dry Eyes?

In dry eye syndrome, the tear glands that moisturize the eye don’t produce enough tears, or the tears have a chemical composition that causes them to evaporate too quickly.

Dry eye syndrome has several causes. It occurs:

  • As a part of the natural aging process, especially among women over age 40.
  • As a side effect of many medications, such as antihistamines, antidepressants, certain blood pressure medicines, Parkinson’s medications and birth control pills.
  • Because you live in a dry, dusty or windy climate with low humidity.

If your home or office has air conditioning or a dry heating system, that too can dry out your eyes. Another cause is insufficient blinking, such as when you’re staring at a computer screen all day.

Dry eyes are also associated with certain systemic diseases such as lupus, rheumatoid arthritis, rosacea or Sjogren’s Syndrome (a triad of dry eyes, dry mouth, and rheumatoid arthritis or lupus).

Long-term contact lens wear, incomplete closure of the eyelids, eyelid disease and a deficiency of the tear-producing glands are other causes.

Dry eye syndrome is more common in women, possibly due to hormone fluctuations. Recent research suggests that smoking, too, can increase your risk of dry eye syndrome. Dry eye has also been associated with incomplete lid closure following blepharoplasty – a popular cosmetic surgery to eliminate droopy eyelids.

Treatment for Dry Eye

Dry eye syndrome is an ongoing condition that treatments may be unable to cure. But the symptoms of dry eye – including dryness, scratchiness and burning – can usually be successfully managed.

Your eyecare practitioner may recommend artificial tears, which are lubricating eye drops that may alleviate the dry, scratchy feeling and foreign body sensation of dry eye. Prescription eye drops for dry eye go one step further: they help increase your tear production. In some cases, your doctor may also prescribe a steroid for more immediate short-term relief.

Another option for dry eye treatment involves a tiny insert filled with a lubricating ingredient. The insert is placed just inside the lower eyelid, where it continuously releases lubrication throughout the day.

If you wear contact lenses, be aware that many artificial tears cannot be used during contact lens wear. You may need to remove your lenses before using the drops. Wait 15 minutes or longer (check the label) before reinserting them. For mild dry eye, contact lens rewetting drops may be sufficient to make your eyes feel better, but the effect is usually only temporary. Switching to another lens brand could also help.

Check the label, but better yet, check with your doctor before buying any over-the-counter eye drops. Your eye doctor will know which formulas are effective and long-lasting and which are not, as well as which eye drops will work with your contact lenses.

To reduce the effects of sun, wind and dust on dry eyes, wear sunglasses when outdoors. Wraparound styles offer the best protection.

Indoors, an air cleaner can filter out dust and other particles from the air, while a humidifier adds moisture to air that’s too dry because of air conditioning or heating.

For more significant cases of dry eye, your eye doctor may recommend punctal plugs. These tiny devices are inserted in ducts in your lids to slow the drainage of tears away from your eyes, thereby keeping your eyes more moist.

If your dry eye is caused by meibomian gland dysfunction (MGD), your doctor may recommend warm compresses and suggest an in-office procedure to clear the blocked glands and restore normal function.

Doctors sometimes also recommend special nutritional supplements containing certain essential fatty acids to decrease dry eye symptoms. Drinking more water may also offer some relief.

If medications are the cause of dry eyes, discontinuing the drug generally resolves the problem. But in this case, the benefits of the drug must be weighed against the side effect of dry eyes. Sometimes switching to a different type of medication alleviates the dry eye symptoms while keeping the needed treatment. In any case, never switch or discontinue your medications without consulting with your doctor first.

Treating any underlying eyelid disease, such as blepharitis, helps as well. This may call for antibiotic or steroid drops, plus frequent eyelid scrubs with an antibacterial shampoo.

If you are considering LASIK, be aware that dry eyes may disqualify you for the surgery, at least until your dry eye condition is successfully treated. Dry eyes increase your risk for poor healing after LASIK, so most surgeons will want to treat the dry eyes first, to ensure a good LASIK outcome. This goes for other types of vision correction surgery, as well.

Contacts & Glasses that Enhance Performance

Every sports activity requires a different skill set for success, yet all sports share a critical need for good vision. Geraint Griffiths, a British optometrist, devised a study to determine the effects of visual acuity on sports performance. This study distributed special vision-blurring goggles to Wimbledon tennis players and UK national clay pigeon shooters. Their performance was studied while the goggles were worn. Even though the goggles only blurred their vision a bit, the marksmen and tennis players showed a 25% decrease in accomplishment. This study demonstrated clearly that vision and sports achievement are inextricably linked.

Visual clarity isn’t the only benefit provided by sports eyewear. There are a number of additional eyewear features that boost athletic performance and enhance eye safety.

Protect Your Eyes from Impact-Related Injuries

As reported by the American Academy of Ophthalmology, over 42,000 sports-related eye injuries occur in the United States each year. Approximately 43% of those injuries happen to children under the age of 15. The majority of these injuries can be prevented with protective eyewear, such as safety goggles with polycarbonate lenses.

Regular eyeglasses are designed for daily wear, and they aren’t resilient enough to handle the rough and tumble wear needed for sports. They also provide inadequate protection for your eyes. Contact lenses offer zero protection from sports-related eye injuries. In contrast, sports eyewear is constructed to be highly impact-resistant, thereby granting superior protection for your eyes and removing anxiety about potential eye injuries. Able to withstand the hit of a ball traveling at up to 90 miles per hour, polycarbonate lenses are about 10 times more impact-resistant than regular lenses.

Safety eyeglasses are advised for every activity that has the potential for injuries to the eye. Be aware that the following land sports run a higher risk to eyes: softball, baseball, hockey, football, basketball, handball, squash, racquetball, tennis, volleyball, soccer and lacrosse. In water, all swimming and pool sports require specialized eye gear. Paintball players should also make safety eyewear an essential part of their game.

A Barrier against UV Rays

Harmful ultraviolet (UV) radiation can be just as damaging to your eyes as other injuries. A number of eye diseases, such as ocular tumors, macular degeneration, and cataracts, have been associated with exposure to UV rays. Photokeratitis, which refers to sunburn on your eye, is another hazard. This painful condition can cause long-term corneal damage.

Dangerous UV rays are more potent at higher altitudes and also bounce off snow or outdoor water, which increases exposure. It is imperative for skiers and anyone who enjoys outdoor water sports to wear sports sunglasses or tinted goggles that block 100% of the sun’s UV rays.

Some types of contact lenses provide UV protection, yet they only cover the central part of your eye. For this reason, sunglasses that block UV rays should still be worn, preferably in a wraparound style that also covers the delicate tissues surrounding your eyes. Hats with a wide brim will upgrade your protection by further reducing facial exposure to UV rays.

Enhance Your Game with Colored Lenses

Special tinted eyewear may add a winning edge to your game. Depending upon the lighting conditions, it’s not always simple to “keep your eye on the ball”. Hunters favor shooting glasses with amber tinted lenses, which highlight the contrast of birds flying against an overcast, dim sky. Golfers tend to gain the largest benefit from green tinted lenses.

A wide range of specialized tints for specific indoor and outdoor sports are available. These lenses can improve visibility and contrast in a diversity of environments. Ask your eye doctor or optician for more information about which lenses can help raise your scores.

Don’t Let Light Get in the Way

Reflective surfaces, such as a flat body of water, a sandy beach or even light-colored pavement, can disturb your vision with glare. Polarized sunglasses are one effective way to resolve this problem.

Another glare reducer is to add and anti-glare (AG) component to your lenses. At night, sports eyewear with anti-glare will diminish lens reflections when playing under bright lights or spotlights. It’s a good idea to apply anti-glare to the back surface of sport sunglasses in order to decrease the glare that bounces into your eyesight when sunlight hits the back of your lenses.

You can control the light that enters your eye by wearing photochromic lenses. These clear lenses transition automatically into dark lenses upon exposure to UV rays. They also offer 100% UV protection, and return quickly to their former clear state when you go indoors.

Contacts Provide Comfortable and Convenient Vision

Many advantages come along with wearing contact lenses for sports, even if you normally wear eyeglasses on a daily basis:

  • Unobstructed peripheral vision
  • Natural-appearing vision, with no changes in image sizes
  • No fogging lenses
  • Non-slip when perspiring

The best contact lens choice for sports is soft one-day disposables. There’s no need to clean them and you can toss them in the garbage at the end of the day. The flexible, oxygen-permeable material of one-day soft lenses also requires very little adaptation. They can be inserted easily and worn comfortably for a full day of physical activity.

Although contact lenses offer high convenience and comfort, there are still a number of disadvantages with wearing contacts for sports. No protection against eye injury is provided and they don’t offer sufficient UV protection. For ultimate performance and safety, you need to wear quality protective eyewear or sunglasses over your lenses.

Astigmatism

Many people have never heard of astigmatism, although it is an extremely common eye condition.

Astigmatism is one type of refractive error. Nearsightedness and farsightedness are other types of refractive error. Refractive errors are not eye diseases. Refractive error is a result of and imperfection of the size and shape of the eye, which results in blurry or double vision.

If left untreated, astigmatism may cause eyestrain, headaches, and blurry vision. If you have astigmatism you may not see objects in the distance or near without some form of distortion.

Symptoms of Astigmatism

Small amounts of astigmatism can go unnoticed, however, you may be suffering from eye fatigue, eyestrain, and headaches.

Astigmatism is a condition that usually can develops early in childhood. According to a study from The Ohio State University School of Optometry, 28% of school age children suffer from astigmatism. Parents should be aware that their children might not notice that their vision is blurry, not understanding that this is not normal. Nevertheless, astigmatism should be treated because vision problems can lead to learning problems and in extracurricular activities. Make sure to have your child’s eyes examined at an eye doctor’s office at least once a year.

Causes of Astigmatism

Astigmatism is generally caused by a cornea with an irregular shape. The cornea is the front, clear layer of the eye. With astigmatism, the cornea is not round and spherical and is instead irregular having two curves instead of one curve. Astigmatism in some cases could also be caused by the lens located inside the eye that is irregular in shape.

Eyes with astigmatism distort the light that comes into the eyes because the cornea is irregularly shaped. This causes the light rays entering the eye to create two images in the back of the eye (because of the two curves), instead of one image. This is what causes the distortion in sight.

Treatments for Astigmatism

For most people, their astigmatism is fully corrected using prescription glasses or contact lenses. If you select contact lenses to correct your vision, soft contact lenses are the most common option. If for whatever reason soft contact lenses are not an option, rigid gas permeable (RGP or GP) are also a great choice. Rigid gas permeable lenses usually give the clearest vision but the adaptation process will be significantly longer. Another option are hybrid contact lenses. These contacts have a center made from a rigid gas permeable (RGP) lens and an outer ring made of soft contact lens material. This type of lens provides both excellent clarity and comfort. LASIK could be another option to correct astigmatism. LASIK usually only corrects low levels of astigmatism and some patients with higher levels of astigmatism might not be candidates.

Shooting Glasses and Hunting Eyewear

Firearms can be dangerous, and all have some recoil. In addition most shooting occurs outside, where elements such as dust, wind, sun, trees and vegetation can potentially harm eyes. Therefore it’s very important to use eye protection at all times when engaged in shooting activities, indoors and outside.

Generally, sports goggles that you can buy without prescription usually protect your eyes if you wear contacts or don’t need glasses. These goggles usually wrap around your eyes to form a shield against the elements. Make sure to buy goggles with lenses made of polycarbonate, which is the best and strongest lens material available.

Features of Shooting Glasses

Glasses for shooters are specially designed and have several important features. These glasses have more features that the general aviator- shaped frames that are popular. The most important feature is that the frame has a safety rating. Don’t buy any shooting glasses that don’t have such a rating. All of these models have a strong rim which holds the lenses in place. Some glasses have a “sweat bar” that goes along the width of the frame which creates stability for the frame to stay on the face. Other models use padding on the frame around the eyes, which cushions the frame on your face. This protects your face from gun recoil. Additionally, it adds to the protection against the elements.

Glasses for shooting often have temples with spring hinges. This type of hinge allows the frame to move without breaking. Many glasses often include temples that wrap around your ear which helps keep the frame in the correct position on your face. Features that make the frames more comfortable often include soft silicon pads around the nose, which also help to keep the frame in place. Frames may be made out of several different types of materials, including various metals and titanium, plastic and polycarbonate.

Lenses for Shooting Glasses

Shooters have chosen polycarbonate lenses with UV protection and a scratch-resistant coating as their lens of choice for years. Polycarbonate lenses are extremely resistant to impact, and also give a lot of “bounce back” and “blow back” protection. However, there are newer materials for lenses that have been developed recently that are also excellent choices for shooters.

Non-prescription shooting glasses often come with interchangeable lenses. These lenses are used when facing varied conditions of light. If you need prescription lenses, you can order your lenses in various colors of your choice. Shooters often enjoy using orange or yellow colored lenses. These colors of lenses block blue light as well as haze. They also provide a more vivid hue of orange, which is often the color of the target. Bright yellow lenses are good for using in low light, or foggy weather conditions.

A light purple lens is particularly good for seeing an orange target when the background is green trees. Purple lenses are made from a mixture of vermillion and gray. Some shooters like vermilion, because this color helps see where there is a natural outdoor background, and helps the target to stand out. If you prefer a neutral or natural color, gray is the color of choice. A gray lens allows you to see all colors naturally, and are good for using in strong sunshine.

Polarized lenses are available in most colors. Polarized lenses are good for use in the outdoors, as they reduce glare. This is particularly helpful when shooting near water.

Cataracts

Cataracts are one of the leading causes of vision loss in people over 45. A condition that commonly develops as the eye ages, by the time we reach 80, more than half of us will have developed a cataract.

A cataract is a clouding of the lens in your eye which is normally transparent. The lens, located inside the eye, behind the iris and the pupil, focuses light onto the retina at the back of your eye, where it is converted to nerve signals that are passed to the brain, allowing you to see. When your lens becomes cloudy, the images projected onto your retina become blurry and unfocused and therefore the signal to the brain is also unclear. You can compare this to looking through a dirty or cloudy window. If the window is not clear, you can’t see well.

Usually cataracts develop slowly over time so your vision gradually worsens. While the majority of cataracts are a result of the aging process, there are also congenital cataracts that are present at birth, secondary cataracts that result from eye surgery or diseases such as glaucoma or diabetes and traumatic cataracts that result at any age from an injury to the eye.

While you may be able to live with mild or moderate cataracts, severe cataracts are treated with surgery. The procedure involves removing the clouded lens and replacing it with an intraocular lens (IOL) implant. Cataract surgery is a common procedure that has a very high success rate of restoring vision to patients. Modern cataract surgery is frequently done as an outpatient procedure. Patients will have greatly improved vision the next day, and will continue to improve over the next few weeks. Surgery is often done in one eye first, and surgery on the second eye, if needed, may be done 2 weeks later.

Learn more about the specifics of Cataracts on the links below:

  • Signs & Symptoms of Cataracts Understand the warning signs and symptoms of cataracts to prevent them from affecting your daily life.
  • Risk Factors of Cataracts Learn more about the risk factors associated with cataracts and what measures you can take to prevent or delay them.
  • Treatment for Cataracts and Cataract Surgery Treatment options for living with cataracts. Learn more about cataract surgery and how to know if it is right for you.
  • Intraocular Lenses (IOLs) If you are getting cataract surgery, there are a variety of IOLs to choose from including presbyopia-correcting IOLs, which can also correct for near vision loss associated with aging.
  • Preventing Cataracts Additional information including lifestyle factors that could impact cataracts.

Young Vision Care Procedure Update

covid 19 update webheader

COVID 19 Update 11/18/2020

Young Vision Care will be closed the week of November 22 due to the increase in COVID-19 cases.
We will resume normal business hours Monday November 30.

If you need to come in this week, please call for an appointment.

If you have a medical eye emergency please call
Dr. Young on her cell phone at 402-547-0166,
or call Omaha Eye and Laser Institute at 1-800-766-8705.

Please contact your pharmacy for medication refills.

You may purchase Eye Promise supplements, contact lenses, and make payments on our website at youngvisioncare.com

For all other concerns please call and leave a message, or send a text.

***MESSAGES WILL BE CHECKED ON A REGULAR BASIS***

Thank you for your patience and understanding.

Have a wonderful holiday and Please be Safe!