Procedure and means for establishing and recording errors of the

Details Procedure and means for establishing and recording errors of the Procedure and means for establishing and recording errors of the

1982-05-12

1985-06-18

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

354 62, G03B 2900, A64B 314

Patent

active

045238200

ABSTRACT:
A procedure and means for establishing and recording errors of the eye, the eye being illuminated with the aid of a flash-light (3) placed eccentrically with reference to the objective (2) of the camera (1). The cornea and retina are photographed simultaneously in at least two different meridians (5, 6) of the eye in order to elicit and record the retinal reflections and corneal reflections occurring in these. The apparatus comprises members for the simultaneous photographing of the eye in two different meridians of the eye, for instance a camera provided with an objective (2) and with two point lights (3, 4) disposed in different meridians of the objective, or with one flash-light (3) and two objectives (2, 2') placed in different meridians of the latter.

REFERENCES:
patent: 4259948 (1981-04-01), Urban

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