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:
Nov. 23, 1993
Filed:
Apr. 16, 1990
Applicant:
Inventors:
Kenneth G Spears, Skokie, IL (US);
Gerald Horn, Golf, IL (US);
Assignee:
Kerus Medical Systems, San Francisco, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61N / ;
U.S. Cl.
CPC ...
606 12 ; 606-3 ; 606-5 ; 606 10 ; 606 13 ; 606 16 ; 606 17 ;
Abstract
A laser system applies energy of the proper wavelength to the cornea of the eye and the stroma of the cornea is thereby heated and changes permanently, causing the shape of the cornea to change. Laser treatment patterns are disclosed for correcting nearsightedness, farsightedness and astigmatisms.