How long does it take to regain normal vision after an ophthalmic dilation of the pupil?

It depends on the mydriatic drug (drops to dilate the pupil) used. Typically, the drops used to perform a normal examination of the eye make the pupil dilate very quickly, in about 15 or 20 minutes, and the effect disappears in about an hour and a half. At other times, when it is necessary to perform a stronger dilation, another type of drop is used, causing the mydriasis to take longer to diminish (it is particularly used in children to measure their correction). In these cases, the effects can last a week.

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