3 doctors weighed in:

How long does it take for pupil dilation to end?

3 doctors weighed in
Dr. Netan Choudhry
Ophthalmology
2 doctors agree

In brief: 4 hours

Usually, around 4 hours, however in eyes that are lighter in color, blue, two-toned, or green the effect of the drops can last beyond 4 hours.
In small children, although rare, the effect can last up to a week or more.

In brief: 4 hours

Usually, around 4 hours, however in eyes that are lighter in color, blue, two-toned, or green the effect of the drops can last beyond 4 hours.
In small children, although rare, the effect can last up to a week or more.
Dr. Netan Choudhry
Dr. Netan Choudhry
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