Bright futures need shades

BY ALLEN HUANG, M.D

They are more than just a fashion statement. Sunglasses protect your eyes and the skin around your eyes from harmful ultraviolet (UV) light. They are an essential accessory for kids like you because your eyes are still maturing and can’t filter out the harmful UV rays as well as adults.

UV light damage can build up over time. As you get older, it can cause your vision to blur, dull the colors you see and even cause serious eye conditions, like cataracts and macular degeneration.

Too much UV light can cause temporary “blindness” called photokeratitis. This happens when the UV rays reflect off the sand, water or snow. It also can happen if you stare into the sun (don’t do that!). Photokeratitis is like having a sunburned eye. Sunglasses can protect your eyes and help you see better when you are outside.

Here’s what you and your parents should look for when picking out the right pair of sunglasses:

• Consider UV protection. The pair you select should follow the American National Standards

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Institute’s guidelines for UV and impact protection. Choose sunglasses that block 99% to 100% of both UVA (long-length) and UVB (short-length) rays. Look for large, wraparound-style sunglasses that cover a lot of skin. If you wear glasses, you can get lenses that automatically change from clear to dark when you are in the sun. These offer 100% UV light protection.

• Make sure the sunglasses are durable. Broken sunglasses aren’t fun or useful. Find a pair that is made of impact-resistant polycarbonate and have scratchproof lenses. The frames should be bendable but not break.

• Think about your activities.

Do you play sports or like to go fishing? Sunglasses with amber or green lenses can increase contrast and make it easier to see on bright days.

• Match your personality. Do you like superheroes, neon colors or sports? Odds are that you will find a style to fit your personality. Plus, you are more likely to wear your shades if you like them. Sunglasses come in many colors, shapes and sizes, so find a pair that matches your individual style.

• Pay attention to fit. Sunglasses shouldn’t slide down your nose, move when you shake your head or pinch your ears. They should feel comfortable to wear all day if needed.

Once you find your perfect pair of sunglasses, ask your parents where you should keep them when you aren’t wearing them. It’s important to keep your shades safe and ready to grab when you head outside to have fun.

Allen Huang, M.D., is an ophthalmologist at Mayo Clinic Health System in Owatonna, Minnesota.

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