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A 43-year-old member asked:

How long can pupil dilatation lasts in patients who have used the atropine eye drops?

2 doctor answers11 doctors weighed in
Dr. David Rosenfeld
Pain Management 27 years experience
See below: Dilating eye drops used for examination of the eye can last from 4 to 24 hours.
Dr. Richard Scartozzi
Retinal Surgery 19 years experience
Atropine is the longest-duration dilating eye drop. It can last about 2 weeks.
Oct 19, 2012
Dr. Douglas Liva
Ophthalmology 40 years experience
Up to 2 weeks: Atropine can cause pupillary dilation for up to 2 weeks. Eye drops typically used during examination have a shorter duration of effect lasting for a few to several hours depending on the exact drug and concentration used and individual responses to the drug

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Last updated Sep 22, 2019
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