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optic axis

DEFINITIONS OF: optic axis

1

n in a doubly refracting crystal, the line in the direction of which no double refraction occurs

Type of:
axis
a straight line through a body or figure that satisfies certain conditions

n 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”
Synonyms:
principal axis
Type of:
axis
a straight line through a body or figure that satisfies certain conditions
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