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Measurement of Carotenoids in Perifovea using the Macular Pigment Reflectometer
09:35

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Published on: January 29, 2020

The relationship between macular pigment and visual performance.

James Loughman1, Mukunda C Akkali, Stephen Beatty

  • 1Macular Pigment Research Group, Optometry Department, Dublin Institute of Technology, Dublin, Ireland.

Vision Research
|April 17, 2010
PubMed
Summary
This summary is machine-generated.

Macular pigment optical density (MPOD) positively correlates with better visual acuity and contrast sensitivity in healthy young adults. Further research is needed to confirm if increasing MPOD through supplementation improves vision.

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Area of Science:

  • Ophthalmology
  • Visual Neuroscience

Background:

  • Macular pigment optical density (MPOD) is a measure of carotenoids in the retina.
  • MPOD is thought to play a role in visual function and protection.

Purpose of the Study:

  • To investigate the association between MPOD and various measures of visual performance in young, healthy individuals.

Main Methods:

  • 142 healthy young subjects were recruited.
  • Psychophysical tests were used to assess visual performance, including best-corrected visual acuity (BCVA), mesopic and photopic contrast sensitivity, glare sensitivity, and photostress recovery time (PRT).
  • MPOD was measured using psychophysical methods.

Main Results:

  • A significant positive association was found between MPOD and measures of central visual function, specifically BCVA and contrast sensitivity (p<0.05).
  • No significant relationship was observed between MPOD and photostress recovery time or glare sensitivity (p>0.05).

Conclusions:

  • MPOD is associated with enhanced central visual functions like visual acuity and contrast sensitivity in young adults.
  • Future longitudinal, randomized, placebo-controlled trials are necessary to determine if augmenting MPOD can improve visual performance.