Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1980-06-18
1983-08-16
Rosenberger, R. A.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
351211, 351213, 351214, A61B 310
Patent
active
043988121
ABSTRACT:
An apparatus and method for measuring the anterior chamber diameter of the eye is disclosed in which a device illuminates the opposite end points of the annular groove. A gauging device cooperates with the illuminating device so as to provide to the viewer through a goneal assembly, a recognizable signal corresponding to a measure of the distance between the end points for gauging the distance.
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patent: 4007980 (1977-02-01), Bracher et al.
patent: 4309085 (1982-01-01), Morrison
patent: 4319564 (1982-03-01), Karickhoff
Rosenberger R. A.
Sternberg Henry
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