"You can do more UV (ultraviolet) damage to your eyes in winter than in summer," said Chad Christensen of the Minnesota Optometric Association. "What most people don't know is that there is more harm done from UV radiation in the winter months because you get snow glare – and UV rays end up hitting you from above and below your eyes."
Damage Can Be Serious
UV glare and snow glare is especially dangerous during hazy sun conditions because you don't think you need sunglasses. In fact, there is a risk of up to 85 percent of UV rays being reflected upward and that leads to sunburn of the eyes (a condition called photokeratitis). In addition, UV rays are thought to contribute to eye diseases such as macular degeneration and cataracts.
Wear Polarized Sunglasses
Snow sport enthusiasts and others who spend a great deal of time outdoors in the winter should wear protective eyewear to block out 100 percent of UV radiation to avoid snow blindness. This damages the eye's cornea and causes eye pain and sensitivity to light – a feeling as if you have sand in your eyes. Polarized lenses are especially helpful. Contact lens wearers should also use sunglasses even if their contact lenses include UV blockers. |
