No limit: There are strong protective reflexes which cause blinking to protect the eye. Given sufficient will power, someone might keep the eye open indefinitely - something done for religious reasons by some. Be happy that your eyes blink to spread the tears and keep the eye healthy.
Answered 3/26/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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