Apparatus for determining the contour of the cornea of a human e

Details Apparatus for determining the contour of the cornea of a human e Apparatus for determining the contour of the cornea of a human e

1991-09-27

1993-07-13

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351206, 351245, A61B 310

Patent

active

052278182

ABSTRACT:
There is disclosed apparatus which comprises a corneal topographer including a video camera or charge-coupled-device camera system for sensing images of rings of light reflected from the cornea, and means for processing the image rings to produce data useful in determining the contour of the cornea of a human eye.

REFERENCES:
patent: 3797921 (1974-03-01), Kilmer et al.
patent: 4569576 (1986-02-01), Karpov et al.

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