Pupil constriction: Is a normal response to a light stimulus. If it is "permanent" as your question suggests, it is evidence of imbalance in the automatic nervous control of the pupil. It is a neurological problem.
Answered 12/30/2014
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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
A doctor has provided 1 answer
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