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Hering test

Pronunciation: her'ing

Definition: a test of binocular vision; the subject looks through an apparatus having at its far end a thread near which a small sphere is dropped; with binocular vision the observer recognizes the location of the sphere in front of or behind the thread; with monocular vision this is not possible.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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