Mydriasis

[mi'draiәsis]

(noun.) reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs.

编辑:卡蒂--From WordNet

(n.) A long-continued or excessive dilatation of the pupil of the eye.

录入:厄普顿

n. morbid dilatation of the pupil of the eye.—adj. Mydriat′ic.—n. a drug causing this.

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