A member asked:

Is it normal that one of my pupils dilated after using visine?

A doctor has provided 1 answer

Not really: There are several different types of visine . Some contain a mild vasocontrictor (labeled"gets the red out"). If your eyes were sensitive to this chemical alone, and you applied it to one eye only ( or got more in one eye) then you might see some enlargement of the pupil on that side. Of course the visine could have become contaminated with a pupillary dilator. Consider also horner's syndrome.

Answered 6/13/2019

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Related Questions

A member asked:

Dilated pupils in a 5 year old on a daily basis; is this normal?

A doctor has provided 1 answer