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A member asked:
What are possible causes of involuntary eye widening?
A doctor has provided 1 answer
Pupils bigger: Your pupils can become bigger from certain drugs such as atropine, opiates (narcotics), from fear and intense emotion. Also when you are in dim light.
Answered 3/23/2013
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Fm49, could high BP such as 152/92 cause eye to have involuntary movement such as drop or blink.
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