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Vision Res. 2003 Jul;43(16):1765-75.

Macular pigment density and distribution: comparison of fundus autofluorescence with minimum motion photometry.

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  • 1Moorfields Eye Hospital, City Road, London EC1V 2PD, UK.

Abstract

Macular pigment (MP) distribution profiles were measured for 18 subjects using a Moreland anomaloscope modified for motion photometry. The total amount of MP within the central 7 degrees was estimated from the distribution profile by numerical integration. Fundus autofluorescence images were obtained for eight of these subjects using a scanning laser ophthalmoscope. Peak optical density of MP increased with the total amount present, but the correlation was weakened by inter-subject differences in MP distribution. The mean MP distribution derived from mean grey-scale profiles of fundus autofluorescence images correlated closely with that obtained psychophysically (r=0.96). Autofluorescence imaging provides a fast non-invasive method for assessing MP in vivo.

PMID:
12818346
[PubMed - indexed for MEDLINE]
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