Snow-blindness in Antarctic region is due to
Freezing of fluids in the eye by low temperature
Inflammation of cornea due to high dose of UV-B radiation
High reflection of light from snow
Damage to retina caused by infra-red rays
UV-B radiations damage DNA and mutations may occur. In human eye, cornea absorbs UV-B radiations, and a high dose of UV-B causes inflammation of cornea called snow blindness, cataract, etc.
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