B-Town Eyecare
SEE BETTER. FEEL BETTER.
B-Town Eyecare
SEE BETTER. FEEL BETTER.
SEE BETTER. FEEL BETTER.
UV radiation reaches us in two forms, UV-A, and UV-B. UV-B represents the short wavelength radiation that causes sunburn and skin cancer. UV-B has a higher energy than UV-A but most of it is absorbed by the front layers of the eye. UV-A radiation has a lower energy but is able to penetrate much deeper into the eye. Scientific evidence shows that exposure to both UV-A and UV-B can have damaging long and short-term effects on your eyes and vision.
Over exposure to UV light (radiation) raises your risk of some eye diseases and other ocular issues. Man of these conditions can be avoided by wearing sunglasses:
DID YOU KNOW?
Almost half, 47%, of sunglass wearers don’t check the UV label before buying sunglasses.
Select sunglasses that provide 100% UV or UV400 protection, or block both UV-A and UV-B rays.
CATARACTS
Cataracts are typically associated with older people, but studies show that people who don’t properly protect their eyes are at risk of developing them earlier in life. They occur when proteins usually found evenly dispersed in the lens of the eye group together forming cloudy patches in your vision. There’s no permanent cure for cataracts, other than surgery to remove the lens and replace it with an impact.
Pterygium
A condition characterized by a growth that appears on the white part of the eye and can extend onto the cornea, obscuring your vision. These growths aren’t normally painful but can cause scarring of the cornea which could lead to permanent loss of vision. Surgery is necessary to remove pterygium growths.
PINGUECULA
Another condition where patients experience a growth, this time which looks like a white or yellowish lump or bump that appears on the white of the eye. They can be irritating and uncomfortable and won’t go away without treatment.
MACULAR DEGENERATION
Also associated with the older generation, macular degeneration is characterized by the breakdown of the cells of the part of the retina called the macula, which enables us to see details and colors. Again, patients who have been subjected to excessive UV exposure are at greater risk of developing macular degeneration earlier. Any vision lost cannot be restored, although many patients learn to live with low vision using aids such as magnifying glasses.
PHOTOKERATITIS
Also known as photokeratitis, patients who experience this condition can expect symptoms including pain, swelling and inflammation of the cornea, sensitivity to light, and blurred vision. Corneal sunburn is more common when patients have been affected by reflected UV rays, such as off snow or water, which can be much more intense.
SKIN CANCER OF THE EYELID
Excessive exposure to UV rays also can cause cancers on the eyelids and other sensitive skin around the eyes. Excessive skin cancers account for 5% to 10% of all skin cancers. Exposure to UV carries profound health risks, including atrophy, pigmentary changes, wrinkling and malignancy.
The Stats.
Percent of parents make their children wear sunscreen, only 32% make their children wear UV-protected sunglasses.
Percent of people wrongly believe that sunglasses with darker lenses provide more sun protection.
Percent of Americans have light-colored eyes (blue, green or hazel), and 68% of them are not aware that their eye color puts them at higher risk for UV damage.
Percent of people know that sunglasses should be worn even if it’s cloudy, but only 17% actually do.
Look for sunglasses that block 99 percent or 100 percent of all UV light. Some manufacturer’s labels say “UV absorption up to 400nm.” This is the same thing as 100 percent UV absorption.
All sunglasses must meet impact standards set by the Federal Food and Drug Administration (FDA) for safety. No lens is truly unbreakable, but plastic lenses are less likely than glass lenses to shatter when hit by a ball or stone.
Polarization has nothing to do with UV light absorption, but many polarized lenses are now combined with a UV-blocking substance. Check the label to make sure the lenses provide maximum UV400 protection.
The color and the degree of darkness (tinting) do not tell you anything about the lenses’ ability to block UV light.
Mirror finishes are thin layers of various metallic coatings on an ordinary lens. Although they do reduce the amount of visible light entering your eyes, do not assume they will fully protect you against UV radiation.
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