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Definition of Optic axis
1. Noun. In a doubly refracting crystal, the line in the direction of which no double refraction occurs. "A crystal may have either one or two optic axes"
Generic synonyms: Axis
2. Noun. A line that passes through the center of curvature of a lens so that light is neither reflected nor refracted. "In a normal eye the optic axis is the direction in which objects are seen most distinctly"
Medical Definition of Optic axis
1. The axis of the eye connecting the anterior and posterior poles; it usually diverges from the visual axis by five degrees or more. Synonym: axis opticus. (05 Mar 2000)
Lexicographical Neighbors of Optic Axis
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