Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1997-06-20
1999-06-22
Manuel, George
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
A61B 314
Patent
active
059147709
ABSTRACT:
An ophthalmological examination device, especially a slit lamp or a fundus camera, for observing a patient's eye, with at least one image recording unit such as a video camera or a CCD-chip for recording at least a part of the image of the eye generated by the examination device, and with a device for transmitting the electric signals of the video camera or CCD-chip to an image generating unit connected with the head of the observer.
In an advantageous manner, it is possible to superimpose on a first image generated from the electric signals of an image recording unit additional information generated by a computer via the image generating unit, at least for one eye of the observer, and/or to display a second image to the observer, which second image is modified with respect to color, contrast or other image features, as an additional image superimposed on the other respective eye or on the first image for one or both eyes of the observer. The additional information comprises stored images and/or stored previous recordings and/or physiological data on the patient.
REFERENCES:
patent: 5140352 (1992-08-01), Moore et al.
patent: 5225859 (1993-07-01), Fleischman
patent: 5374967 (1994-12-01), Hideshima et al.
patent: 5394199 (1995-02-01), Flower
Bergner Roland
Koschmieder Ingo
Teige Frank
Voigt Klaus-Ditmar
Carl Zeiss Jena GmbH
Manuel George
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