mydriatic

/ˌmɪdriˈætɪk/
adjective
  1. Relating to or causing dilation of the pupil of the eye.
    • The doctor explained the mydriatic properties of the medication before applying it.
    • The eye drops have a mydriatic effect, making the pupils larger for the exam.
    • Some mydriatic drugs are used to treat certain eye conditions.
Antonyms
noun
  1. A substance that causes the pupil of the eye to dilate.
    • The optometrist used a mydriatic to get a better view of the retina.
    • Atropine is a common mydriatic used in eye exams.
    • After applying the mydriatic, the patient's vision became blurry for a few hours.
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