Many things: All of which are not very common. Trauma would probably be the most common. Cortical blindness from stroke could cause it. Nutritional (or lack of) dz, although it may not be as sudden. Drinking methanol (rubbing alcohol) would do it as well. Tumors could cause it as well.
Answered 12/20/2016
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3 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
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