Definitions for "INTERPUPILLARY DISTANCE"
The distance between the center of the exit pupils. Usually adjustable.
A measurement of the distance between the center point of the pupils of the eyes of the interpreter. This distance will vary slightly by individual and is often important in properly setting up the stereoscope used for interpretation.
Distance between the two eyepieces. Typically it is adjustable to accommodate different users. Some microscopes also have graduated scales to indicate the actual distance between the eyepieces, allowing a user to determine the optimum number and then quickly set it before each use. BACK