Ophthalmic range finding

US9603519B2 · kind B2 · utility

Assignee

• AMO Development, LLC · US

Inventors

• Zsolt Bor · Oettingen, DE
• John Michael Tamkin · San Marino, US

Key dates

• Filing date: Jun 22, 2012
• Grant date: Mar 28, 2017
• Expiry date: Aug 10, 2033

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2009/00889
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Embodiments of the invention provide methods and systems for analyzing the ophthalmic anatomy of a patient posterior to the cornea. The method may include scanning a focus of a femtosecond laser beam along a path within the patient's eye. A portion of the path may be disposed posterior to the patient's cornea. The method may also include acquiring a first reflectance image and a second reflectance image associated with the focus disposed respectively at a first location of the path and a second location of the path. The method may further include determining the presence or absence of an ophthalmic anatomical feature of the eye based on a comparison between the first reflectance image and the second reflectance image.