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:
Jun. 17, 1997
Filed:
Apr. 10, 1995
Applicant:
Inventors:
Van Toi Vo, Lexington, MA (US);
Jianguo Sun, Monroeville, PA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ; A61B / ; A61B / ;
U.S. Cl.
CPC ...
351213 ; 351206 ; 351215 ; 128691 ;
Abstract
An apparatus and method for comparing entoptically observed corpuscles with computer simulated images of corpuscle-like particles without requiring the observer to view more than one screen. Also disclosed are an apparatus and method for determining and documenting the size of the foveal avascular zone (FAZ). And an apparatus and method are disclosed for determining changes in the observer's leukocyte characteristics due to blue light flicker stimulation.