Medically reviewed by Bryan M. Wolynski, OD Dilated pupils (mydriasis or fixed pupils) are when your eyes' pupils, which let ...

Purpose: To assess the effect of pupil dilation on vision and driving ability. Methods: A series of tests on various parameters of visual function and driving simulator performance were performed ...

Medically reviewed by Johnstone M. Kim, MD Mydriasis occurs when the pupil remains dilated (widened) and doesn't respond to ...

Two factors, in particular, could reveal a person’s inner state: the length of time it takes the pupil to dilate in response to a flash of light and how the pupil transitions from dilation to ...

Pupils size during the sleep can tell the memories you are experiencing. A new study has investigated the link between pupil dilation/contraction and memory processing during sleep. The study ...