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A general term for any eyewear designed to protect the eyes and the surrounding skin from the damaging effects of solar radiation, specifically Ultraviolet (UV) light, and to provide comfort by reducing visible light intensity (glare).
read more about sun protection glasses ...Must block 99% to 100% of both UVA and UVB rays (often labeled UV400 or "100% UV Protection") to protect against cataracts, pterygium, and solar retinopathy.
The level of tint is categorized (e.g., Category 3 is common for bright sunlight). The tint color (gray, brown, green) is chosen for comfort and color fidelity.
Essential for preventing both acute damage (photokeratitis) and chronic, cumulative damage to the ocular surface (pinguecula, pterygium) and internal structures (cataracts).
No. UV protection is a chemical coating or property of the lens material and is independent of the visible light tint. Clear lenses can offer 100% UV protection.
The main long-term risk is the acceleration of cataract formation and damage to the macula (solar retinopathy).
Yes. Children are highly susceptible to UV damage because their ocular lenses are clearer and transmit more UV light to the retina.