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What happens if you wear sunglasses without UV protection?
Sunglasses that lack necessary UV-blocking lenses will cause your pupils to dilate. This increases the amount of harmful solar radiation your eyes are exposed to, increasing your risk of developing eye conditions like cataracts, retinal tissue damage and macular degeneration.
Why is it important to wear sunglasses that block 100% of UV radiation?
The longer your eyes are exposed to solar radiation, the greater the risk of developing cataracts or macular degeneration later in life. That’s why it’s important for adults and children to wear sunglasses with up to 100% UV protection.
Why is it important to select sunglasses that block UV light?
UV-blocking contacts shield only the part of your eye under the lens. UV rays still can damage your eyelids and other tissues not covered by the lens. Wearing sunglasses protects these delicate tissues and the skin around your eyes from UV damage.
How do sunglasses protect from UV rays?
To really help protect your eyes, a good pair of sunglasses will reduce the UV rays that reflect off the backside of your lenses by adding an antireflective (AR) coating that cut down the reflection of both UV and visible light .
Can sunglasses be harmful?
“The biggest danger with poor sunglasses is if the glasses are tinted but do not block the UV rays. The lack of UV-blocking protection around your eyes may also cause skin cancer. “The UV rays not only cause glare, but damage to your eye health and the delicate skin area that surrounds your eyes.
Is it bad not to wear sunglasses?
Without sunglasses to block out those harmful UV rays, you increase the chance of developing serious health conditions such as photokeratitis (snow blindness), pterygia, pingueculae, macular degeneration and even cataracts.
How important is it to wear sunglasses?
Sunglasses help prevent certain eye diseases related to the sun. Prolonged exposure to the sun’s UV rays can lead to cataracts, macular degeneration and pterygium. Wearing sunglasses that have UV protection can help protect against these conditions, keeping your eyes healthier, longer.
Is it bad to not wear sunglasses?
How much UV radiation do a hat and sunglasses reduce?
Wearing both a broad-brim hat and sunglasses can reduce UV rays to the eyes by up to 98%. For the best protection when the UV is 3 and above, use all five forms of sun protection – clothing, sunscreen, a broad-brimmed hat, shade and sunglasses.
Should sunglasses have UV protection?
How much UV protection should sunglasses have? Ideally, you want sunglasses that have UV 400 protection. UV 400 blocks nearly 100% of the sun’s harmful ultraviolet light rays. This ensures light rays with wavelengths up to 400 nanometers, such as UVA and UVB rays, are blocked.
Do all sunglasses protect against UV rays?
Most sunglasses today have UV protection embedded in the lens rather than coated over it, and most reputable brands list UV protection on their label. Look for a label that says “100% protection against both UVA and UVB” or “100% protection against UV 400.”
Why wearing sunglasses is bad?
“The biggest danger with poor sunglasses is if the glasses are tinted but do not block the UV rays. Cataracts, macular degeneration, ocular melanoma, and eyelid cancers may be caused by UV exposure to the eyes. Even a sunburn of the eye (photokeratitis), like the one you might experience on your skin, is possible.