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Indian Journal of Clinical and Experimental Ophthalmology

Determination of ocular dominance and its association with handedness

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Author Details : Vani Puri, Amit Sethi

Volume : 3, Issue : 4, Year : 2017

Article Page : 504-506

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Purpose: Clinical relevance of ocular dominance [OD] lies in its role in success of monovision. This study aims to determine easy and reliable methods to test OD and association of OD with handedness.
Methods: Prospective study of 300 patients, with best corrected visual acuity of 6/6, interocular difference of < 1Dioptre, and absence of any ocular, oculomotor or binocular abnormalities. Two subjective tests were done to determine OD - Miles [sighting dominance] and Fogging tests.
Handedness was determined by history. Ambidextrous patients and those unable to understand or giving equivocal replies, were excluded. Kappa [k] statistics [inter test agreement], and Chi-Square test and Odds ratio [association between handedness and ocular dominance] were applied.
Results: Mean age 35.28 years, spherical equivalent refractive error ranged +2 and -6 D. Both tests had perfect agreement [k=1].
67.33% patients were Right Ocular Dominant (ROD) whereas 32.67% were Left Ocular Dominant.
65.67% had matched dominance of eye and hand.
No significant association between handedness and ocular dominance.
Conclusion: Mile’s and Fogging tests are reliable and easy to perform in clinical setting. Since no direct analogy could be established between patterns of eye – hand dominance, assumption of OD cannot be made on the basis of handedness. As 94.33% patients were Right Handed whereas 67.33% were ROD, the results could not be directly extrapolated in patients with dense cataracts where OD cannot be conclusively determined.

Keywords: Handedness, Monovision, Ocular dominance


How to cite : Puri V, Sethi A, Determination of ocular dominance and its association with handedness. Indian J Clin Exp Ophthalmol 2017;3(4):504-506

Copyright © 2017 by author(s) and Indian J Clin Exp Ophthalmol. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC-BY-NC 4.0) (