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:
Mar. 03, 2009
Filed:
May. 01, 2007
Applicants:
David Huang, South Pasadena, CA (US);
Maolong Tang, San Gabriel, CA (US);
Inventors:
David Huang, South Pasadena, CA (US);
Maolong Tang, San Gabriel, CA (US);
Assignee:
University of Southern California, Los Angeles, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 3/14 (2006.01); A61B 3/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention discloses a method for characterizing ectatic diseases of the cornea by computing a mean curvature map of the anterior or posterior surfaces of the cornea and fitting the map to a Gaussian function to characterize the surface features of the map. Exemplary ectatic disease that may be characterized include keratoconus and pellucid marginal degeneration. Also disclosed are a system for diagnosing ectatic disease of the cornea and a computer readable medium encoding the method thereof.