horopter (plural horopters)
For any system of binocular vision, a three-dimensional curve containing all points from which the light will converge into a single image.
• Prothero
Source: Wiktionary
Ho*rop"ter, n. Etym: [Gr. (Opt.)
Definition: The line or surface in which are situated all the points which are seen single while the point of sight, or the adjustment of the eyes, remains unchanged. The sum of all the points which are seen single, while the point of sight remains unchanged, is called the horopter. J. Le Conte.
Source: Webster’s Unabridged Dictionary 1913 Edition
25 November 2024
(noun) infestation with slender threadlike roundworms (filaria) deposited under the skin by the bite of black fleas; when the eyes are involved it can result in blindness; common in Africa and tropical America
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