Many people know the harm of sunlight to the skin, but not everyone knows that their eyes are also very sensitive to ultraviolet rays. UVB rays are the most harmful to human eyes. Excessive exposure can cause many problems, such as:
Photokeratitis
cataract
Pterygium
Macular degeneration
Pingkula
Conjunctival squamous cell carcinoma
For lifeguards working near outdoor swimming pools, water...
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