# Polar cataract

polar cataract n.

A capsular cataract limited to the anterior or posterior polar region of the lens.

Tagged: p

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- Polar-circle
noun 1. either the Arctic or the Antarctic Circle. noun 1. a term for either the Arctic Circle, Antarctic Circle polar circle The Arctic Circle or the Antarctic Circle.

- Polar coordinate system
polar coordinate system A system of coordinates in which the location of a point is determined by its distance from a fixed point at the center of the coordinate space (called the pole) and by the measurement of the angle formed by a fixed line (the polar axis, corresponding to the x-axis in Cartesian coordinates) […]

- Polar-distance
noun, Astronomy. 1. . noun 1. the angular distance of a star, planet, etc, from the celestial pole; the complement of the declination Also called codeclination

- Polar-equation
noun, Mathematics. 1. an equation in which the variables are polar coordinates. noun 1. an equation in polar coordinates