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. 13, 1989
Filed:
Mar. 23, 1988
Vladimir Portnoy, Irvine, CA (US);
Allergan, Inc., Irvine, CA (US);
Abstract
Topological information of the cornea and anterior chamber of an eye is optically developed by projecting toward said eye a target image sharply focused in a movable flat plane. As the plane is moved through the eye, the reflection of the target is in focus first at the center and then at increasingly radially outward locations. The reflection is detected and clipped to delete all image portions which are out of focus. As the image plane is moved through the eye, the clipped reflection traces the topology of the eye. This information can be fed into a computer and used to compute appropriate topological displays. Such computations can readily be made insensitive to any eye movement during the measuring process.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile