Image-quality standardization for diabetic retinopathy screening

Authors: Taylor, David J; Goatman, Keith A; Gregory, Adam; Histed, Mark; Martin, Christian N; Warburton, Trevor J; Scanlon, Peter H

Source: Expert Review of Ophthalmology, Volume 4, Number 5, October 2009 , pp. 469-476(8)

Publisher: Expert Reviews

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Abstract:

Screening for diabetic eye disease in the UK relies on the correct interpretation of a digital retinal image to identify pathological features in the retina. The lesions that mark the early stages of disease are small, and a number of nonharmful features of similar appearance may confound detection. Early recognition of pathology and prompt treatment can preserve sight. It is, therefore, essential that each component of the digital imaging system is of a sufficient standard to maximize the probability of early detection. The imaging pathway between the patient's eye and a final diagnostic outcome is discussed in this article, with reference to appropriate national standards for equipment and processes.

Keywords: diabetic retinopathy; digital imaging; quality; retinal disease; screening; standards

Document Type: Research article

DOI: http://dx.doi.org/10.1586/eop.09.39

Affiliations: 1: English National Screening Program for Diabetic Retinopathy, Cheltenham General Hospital, Sandford Road, Cheltenham, Gloucestershire, GL53 7AN, UK., Email: davidj.taylor@glos.nhs.uk

Publication date: 2009-10-01

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