Sunglasses or sun glasses are a form of protective eyewear designed primarily to prevent bright sunlight and high-energy visible light from damaging or discomforting the eyes. They also help cancel out harmful UV rays from the sun.
Functions
Visual clarity and comfortSunglasses can improve visual comfort and visual clarity by protecting the eye from glare.Various types of disposable sunglasses are dispensed to patients after receiving mydriatic eye drops during eye examinations.
ProtectionThe most widespread protection is against ultraviolet radiation, which can cause short-term and long-term ocular problems such as photokeratitis, snow blindness, cataracts, pterygium, and various forms of eye cancer.
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