Factors influencing MPOD measurements - Video abstract [111708]

Описание: Video abstract of original research paper "Macular pigment optical density: repeatability, intereye correlation, and effect of ocular dominance" published in the open access journal Clinical Ophthalmology by Pinakin Gunvant Davey, Silverio D Alvarez, Jessica Y Lee.
College of Optometry, Western University of Health Sciences, Pomona, CA, USA

Purpose: To evaluate short-term repeatability, intereye correlation, and effect of ocular dominance on macular pigment optical density MPOD measurements obtained using the QuantifEye Heterochromatic Flicker Photometer.
Patients and methods: A total of 72 study participants were enrolled in this prospective, cross-sectional study. Participants underwent a comprehensive ocular evaluation, including visual acuity, evaluation of ocular dominance, slit lamp examination, intraocular pressure measurement, and optic nerve head and macula analysis using optical coherence tomography and fundus photography. All study participants after initial training underwent MPOD measurement twice in both eyes in a randomized sequence. The repeatability was tested using Altman and Bland plots for first measurements with the second measurements for right eye and left eye and additionally by grouping eyes as a function of ocular dominance. The Pearson correlation coefficient was performed to assess the intereye correlation of MPOD values.

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