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Medical Term:

horopter

Pronunciation: hō-rop′tĕr

Definition: The sum of the points in space, the images of which for a given fixation point fall on corresponding retinal points. If the fixation point is 2 m., the horopter is a straight line; if less, a curve concave to the face; if more, a convex curve.

[G. horos, limit, + optēr, spy, scout, fr. oraō, fut. opsomai, to see]

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