When should you wear sunglasses? Put on your sunglasses whenever you’re outdoors during daylight hours, even when it’s cloudy.
Sunglasses that block 100% of UV radiation provide the best possible protection from these health risks. Studies have shown the more time people spend in the sun, the greater their risk of getting cataracts as they age.Įxcessive UV exposure also has been linked to corneal sunburn, retinal tissue damage, macular degeneration and abnormal growths on the surface of the eyes. In particular, cataracts, which develop when the naturally clear lens inside the eye becomes cloudy or opaque, have been linked to sun exposure. Why is UV protection so important?Įxposure to UV radiation from the sun can harm your eyes and endanger your vision.
Want to be sure your sunglasses offer protect you from the sun's harmful rays? You can take your sunglasses to an eye care professional or perform a couple of simple tests with your shades to see how well they block UV rays. The best way to find out if sunglasses have ultraviolet (UV) protection is to look for a label, specifically one that says UV 400 or 100% protection against UVA and UVB rays. Protection from the sun’s harmful ultraviolet rays is the most important quality of effective sunglasses, but how can you tell if sunglasses have UV protection?
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