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:
Jul. 25, 2000
Filed:
Jul. 06, 1998
Eugene de Juan, Jr, Phoenix, MD (US);
Johns Hopkins University, Baltimore, MD (US);
Abstract
The invention provides a sapphire surgical contact lens to view interior structures and regions of an eye as well as methods for making and using such a surgical contact lens. The surgical contact lens includes a transparent member comprising sapphire and having a first and a second surface. The first surface may be configured in a variety of ways, e.g. with a geometry that complements the curvature of a cornea, in particular the cornea's radius of curvature. More particularly the first surface is suitably configured so as to be generally concave so as to form a portion of a spherical surface. The second surface is configured with a geometry that, in cooperation with the first surface geometry, yields a given optical configuration for viewing the interior of the eye. In a preferred aspect, the transparent member is made from a single crystal of sapphire.