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Why do eyes blink in unison? (Details)
Asked by MrGrimm888 (19045)
April 10th, 2017
I know why, physiologically.
In evolutionary terms, it seems like a disadvantage. No sight, for a moment. Why wouldn’t they blink one at a time? Then an animal would always have sight.
I can’t think of an animal that blinks, that nature hasn’t made blink with both eyes, at once.
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