Dictionary

mydriasis

noun my·dri·a·sis \mə-ˈdrī-ə-səs\

Definition of MYDRIASIS

:  excessive or prolonged dilatation of the pupil of the eye
myd·ri·at·ic \ˌmi-drē-ˈa-tik\ adjective or noun

Origin of MYDRIASIS

Latin, from Greek
First Known Use: circa 1775

mydriasis

noun my·dri·a·sis \mə-ˈdrī-ə-səs\   (Medical Dictionary)
plural my·dri·a·ses \-ˌsēz\

Medical Definition of MYDRIASIS

:  excessive or prolonged dilation of the pupil of the eye

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