A member asked:

Trauma to eye, one pupil slightly larger than other. optho prescribed brimonodine tartrate for short-term. will this fix damaged muscle?

3 doctors weighed in across 2 answers

Less likely: Trauma to the iris causes dilation. This is most likely from sphincter tear at the pupillary margin of the iris.

Answered 5/17/2018

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Dr. Tim Conrad answered

Specializes in Ophthalmology

No: It has no effect on the iris muscle, other than slight dilation that is temporary.

Answered 5/20/2013

5.1k views

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