Blue Light versus Green Light Autofluorescence: Lesion Size of Areas with Geographic Atrophy

Wolf-Schnurrbusch, Ute Ek; Wittwer, Valéry V; Ghanem, Ramzi; Niederhaeuser, Martin; Enzmann, Volker; Framme, Carsten; Wolf, Sebastian (2011). Blue Light versus Green Light Autofluorescence: Lesion Size of Areas with Geographic Atrophy. Investigative ophthalmology & visual science, 52(13), pp. 9497-502. Hagerstown, Md.: Association for Research in Vision and Ophthalmology 10.1167/iovs.11-8346

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Blue-light fundus autofluorescence (FAF) imaging is currently widely used for assessing dry age-related macular degeneration (ARMD). However, at this wavelength, the fovea appears as circular zone of marked hypofluorescence, due to the absorption of macular pigment (MP). This dark spot could be misinterpreted as an atrophic area and could lead to difficulties in identifying small, central changes. The purpose of the study was to analyze differences in image quality, FAF patterns, and lesion size, when using conventional blue-light (Λ(1) = 488 nm) and green-light (Λ(2) = 514 nm) FAF.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Ophthalmology

UniBE Contributor:

Wolf-Schnurrbusch, Ute; Enzmann, Volker; Framme, Carsten Karl Josef and Wolf, Sebastian

ISSN:

0146-0404

Publisher:

Association for Research in Vision and Ophthalmology

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 14:16

Last Modified:

06 Dec 2013 13:24

Publisher DOI:

10.1167/iovs.11-8346

PubMed ID:

22110076

Web of Science ID:

000298628200032

URI:

https://boris.unibe.ch/id/eprint/4534 (FactScience: 208810)

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