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Kathy Canevari
Kathy Canevari • 1 year ago

Aniscoria is having pupils of two different sizes. It can be genetic, a sign of a disease, or from an injury. David Bowie's permanently dilated pupil was caused by a punch to the eye. Judd Hirsch is another celebrity with this trait.

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Certain drugs cause constriction of the pupils, such as alcohol and opioids. Other drugs, such as atropine, LSD, MDMA, mescaline, psilocybin mushrooms, cocaine and amphetamines may cause pupil dilation. Another term for the constriction of the pupil is miosis. Substances that cause miosis are described as miotic. Dilation of the pupil is mydriasis. Dilation can be caused by mydriatic substances such as an eye drop solution containing tropicamide.

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