Last Updated
：2025/11/29
Marcus Gunn pupil
Noun
Japanese Meaning
明るい光を健常な目から障害のある目にあてたとき、障害のある目の瞳孔が十分に収縮しない状態。これは視神経の損傷によって引き起こされることがある。
（ plural ）
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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.
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Marcus Gunn pupil
During the exam, the neurologist pointed out a Marcus Gunn pupil, which contracted only slightly when a bright light was swung to the affected eye.
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During the exam, the neurologist pointed out a Marcus Gunn pupil, which contracted only slightly when a bright light was swung to the affected eye.
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