Asymmetry of the macular structure is associated with ocular dominance

Poster Details

First Author: J.Kwon SOUTH KOREA

Co Author(s):    Y. Ahn                             

Abstract Details


We hypothesized that the ocular dominance associated with brain asymmetry would influence macular structure. We assessed the structural asymmetry of the macula by ocular dominance.


Department of Ophthalmology, St. Vincent's Hospital, College of Medicine, Catholic University of Korea


In total, 61 patients with no ophthalmic abnormalities were examined. After classifying eyes as dominant or non-dominant using the hole-in-a-card test, the macular ganglion cell inner plexiform layer (mGCIPL) and the macular thickness and optic nerve head (ONH) parameters were measured in both groups using spectral domain optical coherence tomography and we sought associations between ocular dominance and ocular factors.


Ocular dominance was more frequently found in right eyes than in left eyes (70.49% versus 29.1%, respectively; p < 0.001). In terms of mGCIPL thickness, the thickness ratios of the temporal-to-nasal sectors of non-dominant eyes were higher than those of dominant eyes (0.987 ± 0.048 versus 0.972 ± 0.052, p=0.037). Using conditional logistic regression, the right eye, the inner nasal macular thickness, and the outer temporal macular thickness were selected as a final model for the determination of ocular dominance.


Macular vertical asymmetry was associated with ocular dominance. The macular structure and ocular dominance associated with visual cortex lateralization have functional and structural relationships.

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