Question

causes of snow blindness cataract

Answer 1

Snow blindness is a painful, temporary loss of vision due to overexposure to the sun's UV rays. The medical term for snow blindness is photokeratitis ("photo" = light; "keratitis" = inflammation of the cornea). Essentially, snow blindness is caused by a sunburned eye — or more specifically, a sunburned cornea.

Answer 2

Snow blindness (Photokeratitis) is a temporary loss of vision due to overexposure to the sun's UV rays.


Any intense exposure to UV light can lead to photokeratitis.
The condition typically occurs at high altitudes on highly reflective snow fields or, less often, with a solar eclipse. Artificial sources of UVB can also cause snowblindness. These sources include suntanning beds, a welder's arc (flash burn, welder's flash, or arc eye), carbon arcs, photographic flood lamps, lightning, electric sparks, and halogen desk lamps.


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