Patent · US Active

Method for realizing ocular fundus photographs that are corrected for scattered light

US10130248B2 · kind B2 · utility

0Cited by

2References

29Claims

0Family size

Assignee

Carl Zeiss Meditec AG · DE

Inventors

Thomas Mohr · Jena, DE
Michael Kieweg · Berlin, DE

Key dates

Filing date	May 15, 2014
Grant date	Nov 20, 2018
Priority date	—
Expiry date	Jul 6, 2034

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B3/1176
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A method by which fundus photographs that are corrected for scattered light can be realised by using a digital fundus camera. The fundus is illuminated and a photograph of the fundus is realized. The photographed area is greater than the illuminated are. The scattered light intensity is determined and is used for correction. Measurement points for determining the scattered light intensity are defined in the non-illuminated area. Values of the scattered light intensity determined at the measurement points are averaged. Average-scattered light intensity thus determined is subtracted from the intensity values of the photograph to correct the photograph.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.