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mydriasis

 

Definitions from WordNet

Noun mydriasis has 1 sense
  1. mydriasis - reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs
    --1 is a kind of
    reflex, instinctive reflex, innate reflex, inborn reflex, unconditioned reflex, physiological reaction; dilation, dilatation

Definitions from the Web

Mydriasis

Definition

Mydriasis refers to the dilation of the pupil, typically resulting from the contraction or relaxation of certain muscles in the iris.

Parts of Speech

  • Noun

Senses

Sense 1

A medical condition where the pupil of the eye remains dilated due to various reasons like medications, eye injuries, or neurological disorders.

Example: The doctor diagnosed the patient with mydriasis, as their pupils were excessively dilated, even in bright light.

Sense 2

The intentional dilation of pupils for medical evaluations, such as during an eye examination or a neurological assessment.

Example: The ophthalmologist induced mydriasis in order to get a better view of the patient's retina.

Sense 3

A term used in pharmacology to describe the dilation of pupils caused by certain drugs or substances.

Example: The medication prescribed for the patient's migraines resulted in temporary mydriasis.

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