Abstract
A comparison of macular pigment optical density (MPOD) spatial profiles determined by an optical and a psychophysical technique is presented. We measured the right eyes of 19 healthy individuals, using fundus reflectometry at 0, 1, 2, 4, 6, and 8 deg eccentricity; and heterochromatic flicker photometry (HFP) at 0, 0.5, 1, 2, 3, 4, 5, 6, and 7 deg, and a reference point at 8 deg eccentricity. We found a strong correlation between the two techniques. However, the absolute estimates obtained by fundus reflectometry data were higher than by HFP. These differences could partly be explained by the fact that at 8 deg eccentricity the MPOD is not zero, as assumed in HFP. Furthermore, when performing HFP for eccentricities of
Original language | English |
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Article number | 064046 |
Journal | Journal of Biomedical Optics |
Volume | 14 |
Issue number | 6 |
DOIs | |
Publication status | Published - 2009 |
Keywords
- Fundus reflectometry
- Heterochromatic flicker photometry
- Macular pigment
- Scanning laser ophthalmoscopy
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Macular pigment measurement in humans: a new instrument, the Macular Pigment Screener (MPS)
Murray, I. (Participant), Carden, D. (Participant), Koh, H. H. (Participant), Feather, J. (Participant) & Makridaki, M. (Participant)
Impact: Economic impacts, Health impacts, Societal impacts, Technological impacts