Pupillary distance

Monocular PD can be measured during an eye test.

Pupillary distance (PD), more correctly known as interpupillary distance (IPD) is the distance in millimeters between the centers of each pupil.[1]

  1. ^ Bogren HG, Franti CE, Wilmarth SS. Normal variations of the position of the eye in the orbit. Ophthalmology. 1986;93:1072–1077.

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