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:
Jan. 01, 2019
Filed:
Jul. 18, 2017
David Maughan, Burlington, VT (US);
Alexander Kochis, Seattle, WA (US);
Guy Kennedy, Underhill, VT (US);
David Maughan, Burlington, VT (US);
Alexander Kochis, Seattle, WA (US);
Guy Kennedy, Underhill, VT (US);
Other;
Abstract
An optoelectronic apparatus and method is provided. The application of which provides a quantitative index of cataract opacity in the human eye to help the clinical practitioner screen patients for referral for cataract lens replacement surgery. The invention includes at least one adjustable intensity optical reference light source selected from the group consisting of a green light source and a red-light source. The invention also includes at least one fixed intensity cataract absorption light source, selected from the group consisting of a blue light source, an indigo light source, and a violet light source.