Phrase guide
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noun
A pupil of the eye that exhibits unusually little constriction when a bright light is swung from the unaffected eye to the affected eye. It can be caused by a lesion of the optic nerve.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Named after Scottish ophthalmologist Robert Marcus Gunn.
