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December 17, 2010

Strange But True!

Q. Spend weeks on a submarine and what surprising eye difficulty might arise, and what unusual prophylactic might help avert it?

A. When a young college Navy-ROTC cadet spent some time aboard a sub, he noticed on disembarking that his vision was blurred and was told this was common, due to the limited confines and not being able to look off at a distance. This is similar to being at your computer for hours, making it tough for your focusing muscles to relax enough, which brings on blurry distance vision, says University of Minnesota ophthalmologist Stephen C. Kaufman. Another effect of prolonged near-vision work is the eyes turning inward (called cross-eyed by kids), causing “double vision.”


 
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