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A 31-year-old male asked:

Right pupil larger, espec. on waking, then back to normal. opthamo said eyes good and pupils were even, months ago, but still very noticeable at times?

2 doctor answers3 doctors weighed in
Dr. Stuart Hickerson
Family Medicine 34 years experience
Pupil: A reasonable number of people have anisicoria or irregular pupil size. However, I am not aware of this being transient. If you take meds to sleep, decongestants, or antihistamines at night time this may be causing this.
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Dr. Keshav Narain
Retinal Surgery 31 years experience
Pupil asymmetry or : Anisocoria is actually quite common and present in 20% of "normal" healthy patients according to medscape. We are taught as opthalmology residents that there are allowable amounts of anisocoria. If there are no other symptoms and you have had a complete exam, i wouldn't worry too much. If you are doubtful, get a second opinion.
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Jan 14, 2014

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