Ocular fundus imaging systems, devices and methods

US10226174B2 · kind B2 · utility

Assignee

• Brien Holden Vision Institute Limited · AU

Inventors

• Tom N. Cornsweet · Irvine, US
• Paul Peterson · Prescott, US
• Kenneth W. Chapman · Raleigh, US
• Frank G. Evans · Portland, US

Key dates

• Filing date: Sep 5, 2014
• Grant date: Mar 12, 2019
• Expiry date: Sep 5, 2034

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B3/152
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A fundus camera for photographing a fundus of an eye that includes a plurality of light sources with differing frequencies for illuminating the fundus, a plurality of fixation lights configured to orient the fundus in varying positions, and an imaging sensor. The fundus camera further includes at least one processor configured to cause the illumination of the plurality of light sources and the plurality of fixation lights in a predetermined pattern to obtain a plurality of narrow bandwidth images of the fundus and to manipulate and stitch the resulting narrow bandwidth images into a composite color image.