Optical system for measuring the human cornea

Details Optical system for measuring the human cornea Optical system for measuring the human cornea

1991-07-23

1993-09-07

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351221, 351247, A61B 310

Patent

active

052433676

ABSTRACT:
An optical system for measuring the human cornea includes a light source, a scanner, an optical deflecting system, a sensor and an evaluating unit. A rotating mirror is used as the scanner and a plurality of stationary plane deflecting mirrors are arranged in the path of the rotating light beam. With increasing distance of the deflecting mirrors from the eye, the deflecting mirrors direct the light beam onto points of the cornea surface which are located increasingly closely to the frontmost point of the cornea.

REFERENCES:
patent: 4093340 (1978-06-01), Klose
patent: 4838679 (1989-06-01), Bille
patent: 4925301 (1990-05-01), Rafanelli

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