We protect our skin with sunscreen, but what about our eyes?? UV radiation, whether from the sunlight or artificial UV rays, can damage the eye’s surface tissues as well as the cornea and lens. Short term effects of UV radiation include photokeratitis (inflammation of the cornea) which can be painful and create symptoms such as red eyes, foreign body sensation or gritty feeling in the eyes, extreme sensitivity to light and excessive tearing. The long term effects of UV rad iation include cataracts, retinal effects (macular degeneration??), pterygium ( a growth “invading” the cornea from conjunctiva) and pinguecula (yellowish, slightly raised lesion that forms on the conjunctiva). To provide protection for your eyes, your sunglasses should:
1) block out 99 to 100% of both UV-A and UV-B radiation
2) screen out 75 to 90 percent of visible light
3) be perfectly matched in color and free of distortion and imperfection
4) have lenses that are gray for proper color recognition
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