interpupillary distance


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interpupillary distance

In ophthalmology, the distance between the centers of the pupils of the eyes.
See also: distance
References in periodicals archive ?
The center-to-center distance between an adult person's eyes averages between 58 to 72mm, and is described as the Interpupillary Distance (ID).
Eye relief distance is 25 mm and interpupillary distance is between 58 and 72 mm.
That's because it not only eliminates one complete barrel assembly -- one-half a binocular -- but also the entire hinge assembly required for setting interpupillary distance, along with the entire central focusing mechanism.