Apparatus and method for finding of scotomas in the eye of a per

Details Apparatus and method for finding of scotomas in the eye of a per Apparatus and method for finding of scotomas in the eye of a per

1990-10-04

1991-10-29

Dzierzynski, Paul M.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Subjective type

351243, A61B 302

Patent

active

050610600

ABSTRACT:
1. The invention relates to an apparatus and a method for finding blind spots in the eye of a person tested.
2.1. In examinations carried out to date, it was necessary to scan the entire image field of the person tested.
2.2. According to the invention an image with a plurality of image points lying closely side-by-side is offered to the person tested, the variations in the brightness of which image points are presented at a high frequency, and additionally, a fixation mark at a defined place.
2.3. The apparatus and the method can be used in all types of examinations of the field of vision.

REFERENCES:
patent: 4392725 (1983-07-01), Sheingorn
patent: 4634243 (1987-01-01), Massof et al.
Article, "Pattern Discrimination Perimetry and Conventional Perimetry in Early Glaucoma Detection", Bruce Drum et al., 5 pages.

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