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- W125060395 abstract "Introduction: This study investigates the relationship between foveal short-wavelength-sensitive (SWS) orientation identification acuity and measures of macular pigment optical density (MPOD) in the ageing eye.Methods: Orientation identification acuity was measured in the fovea and at 12 degrees eccentricity (nasal visual field) under S-cone isolating conditions in 62 participants (aged 20 – 71) free from ocular disease and with clear ocular media. MPOD was measured at 0.5 degrees eccentricity from the foveal centre using a heterochromatic flicker photometry based densitometer instrument from MacularMetrics. Results: Reduced SWS orientation identification acuity was associated with increasing age in the fovea (r= -0.57, p 0.4 log units, 31 participants) (r= -0.17, p= 0.35).Conclusions: MPOD was not significantly related to age in this study. SWS orientation identification acuity declined faster in the fovea than the retinal periphery for the group as a whole. Individuals with lower baseline levels of MPOD (<0.4 log units) may have increased risk of preferential loss of foveal SWS acuity relative to the retinal periphery with increasing age. Further research on the role of macular pigment in preventing or slowing subtle loss of central visual function in the ageing eye is required." @default.
- W125060395 created "2016-06-24" @default.
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- W125060395 date "2011-07-13" @default.
- W125060395 modified "2023-09-25" @default.
- W125060395 title "The relationship between short-wavelength-sensitive acuity and macular pigment optical density in the ageing eye." @default.
- W125060395 hasPublicationYear "2011" @default.
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