Verywell Health on MSN

Dilated Pupils

Dilated pupils (mydriasis or fixed pupils) are when your eyes' pupils, which let light into your eyes, become wider. This can ...
Credit: Getty Images. MydCombi is a combination of tropicamide, an anticholinergic, and phenylephrine hydrochloride, an alpha-1 adrenergic receptor agonist. The Food and Drug Administration (FDA) has ...
Eye dilation usually lasts four to six hours, but it can last longer depending on various factors. Light-colored eyes may stay dilated longer after an exam. After an eye exam, you may receive special ...
Credit: Shutterstock. Ryzumvi is a preservation-free eye drop formulation of phentolamine mesylate, an alpha adrenergic blocker. The Food and Drug Administration (FDA) has approved Ryzumvi™ ...