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. 24, 2026
Filed:
Oct. 07, 2022
Alcon Inc., Fribourg, CH;
Zsolt Bor, San Clemente, CA (US);
Alcon Inc., Fribourg, CH;
Abstract
In certain embodiments, an ophthalmic laser system includes a laser device, an ophthalmic microscope, a z-direction sensor, and a controller. The laser device directs a laser beam towards a target within an eye. The ophthalmic microscope receives light from a focal point within the eye to provide an image of an object at the focal point. The z-direction sensor determines the z-position corresponding to the focal point of the ophthalmic microscope. The controller determines a position Z, the z-position where the focal point of the ophthalmic microscope is at the retina of the eye; determines a position Z, the z-position where the focal point of the ophthalmic microscope is at the target within the eye; calculates a target-to-retina distance ΔZ according to a difference between the position Z and the position Z; and calculates a radiant exposure Hat the retina according to the target-to-retina distance ΔZ.