The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 29, 1991
Filed:
Oct. 04, 1990
Applicant:
Inventors:
Elfriede Aulhorn, Tuebingen, DE;
Gert Kost, Tuebingen, DE;
Assignee:
Oculus Optikgeraete GmbH, Wetzlar, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
351224 ; 351243 ;
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.