Medically reviewed by Andrew Greenberg, MD Dilated pupils (mydriasis) occur when the pupils open larger than usual. This normally happens in darker lighting to allow more light into the eye, but ...

Pupil dilation may signal deception. The autonomic nervous system regulates pupil size. Pupil dilation normally indicates an increase in cognitive demand. Liars usually experience an increase in ...

Medically reviewed by Andrew Greenberg, MD If you have your pupils dilated for an eye exam, you can expect eye dilation to last about four to six hours. However, sometimes pupils remain dilated ...

Pupil Dilation Reveals Better Working Memory. ... The 10th-century Persian physician Al-Razi (also known as Rhazes) is often credited with connecting pupil size and light exposure.

Researchers have identified biomarkers for tinnitus severity in subtle facial movements and pupil dilation that can be captured on video recordings. Until now, there has been no objective way to ...

To examine the safety and efficacy of a half dose, or one spray, of MydCombi (1% tropicamide and 2.5% phenylephrine ophthalmic solution, Eyenovia) using the Optejet dispenser (Eyenovia) for pupil ...

SAN DIEGO — In this Healio Video Perspective from the ASCRS meeting, Jeffrey Whitman, MD, discusses his positive experiences with the BVI I-Ring pupil expander and offers pearls on how to use it ...

Eyenovia Inc said on Monday the U.S. Food and Drug Administration (FDA) had approved its pupil-dilating spray to be used with the company's proprietary drug delivery device during eye examinations.