Pupillary distance measuring instrument

Details Pupillary distance measuring instrument Pupillary distance measuring instrument

A - Human Necessities

41

H

33/113

A41H 1/00 (2006.01) A61B 5/00 (2006.01)

Patent

CA 1200690

A B S T R A C T Pupillary distance measuring instrument An instrument for measuring the distance of the eye from the root of the nose, of the type comprising a sight window for reading the indication of the measured value, a part for resting on the nose and at least one slider provided with a measuring mark, consists of a handle part provided with the sight window and spaced from the part for resting on the nose, and of an adjusting part containing the single slider.

438324

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