consensual light reflex

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con·sen·su·al re·ac·tion

contraction of the pupil of the fellow eye in consensus with the pupil of the illuminated eye.

consensual light reflex

Ophthalmology The ability of both pupils to react to light which is tested by shining a beam of light in one eye, and assessing the response of the other eye, which normally constricts

con·sen·su·al light re·flex

(kŏn-sen'shū-ăl līt rē'fleks)
Constriction of both pupils when only one is exposed to bright light; indicates integrity of optic nerve on exposed side and of oculomotor nerves on both sides.