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

  • Anthony G. Robson
  • , Jack D. Moreland
  • , Daniel Pauleikhoff
  • , Tony Morrissey
  • , Graham E. Holder
  • , Fred W. Fitzke
  • , Alan C. Bird
  • , Frederik J.G.M. Van Kuijk

Research output: Contribution to journal › Article › peer-review

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° 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.

Original languageEnglish (US)
Pages (from-to)1765-1775
Number of pages11
JournalVision Research
Volume43
Issue number16
DOIs
StatePublished - Jul 2003

Keywords

  • Age-related macular degeneration
  • Autofluorescence
  • Imaging
  • Macular pigment
  • Motion photometry

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems

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