J Korean Ophthalmol Soc > Volume 60(5); 2019 > Article
Journal of the Korean Ophthalmological Society 2019;60(5):470-473.
DOI: https://doi.org/10.3341/jkos.2019.60.5.470    Published online May 15, 2019.
Relationship between Dominant Eye and Refractive Error in Myopic Anisometropia.
Seung Ki Lee, Sungjin Kim, In Jeong Lyu
1Department of Ophthalmology, Nowon Eulji Medical Center, Eulji University College of Medicine, Seoul, Korea. ijlyu@kirams.re.kr
2Department of Ophthalmology, Korea Cancer Center Hospital, Korea Institute of Radiological and Medical Sciences, Seoul, Korea.
굴절부등근시환자에서의 우세안과 굴절이상의 관계
이승기1⋅김성진1⋅유인정1,2
을지대학교 의과대학 노원을지병원 안과학교실1, 한국원자력의학원 원자력병원 안과2
Correspondence:  In Jeong Lyu,
Email: ijlyu@kirams.re.kr
Received: 6 December 2018   • Revised: 14 January 2019   • Accepted: 16 April 2019
Abstract
PURPOSE
To investigate the relationship between dominant eye and refractive error in patients with myopic anisometropia. METHODS: This study population consisted of myopes less than 15 years old who were followed up for anisometropia defined as interocular difference of spherical equivalent (SE) ≥1.0 diopter (D). All patients underwent the hole-in-the-card test at far and near to determine ocular dominance. The data were analyzed for statistical significance using Fisher's exact test. RESULTS: A total of 102 eyes in 51 patients were analyzed. The mean age of the patients was 10.4 ± 1.4 years and 54.9% were male. The mean SE was −2.97 ± 1.95 D in the right eye and −3.02 ± 1.92 D in the left eye. The right eye was the dominant eye in 43.1% and 37.3% at distance and near, respectively. The agreement of dominancy between distant and near was 82.4%. The near dominant eyes showed statistically significant accordance with more myopic eyes (p = 0.009). On the other hand, there was no statistically significant relationship between more myopic eyes and distant dominant eyes (p = 0.09). CONCLUSIONS: The near dominant eye was more myopic eye in patients with myopic anisometropia. This was considered to be related with the lag of accommodation in dominant eye with near distance.
Key Words: Anisometropia;Myopia;Ocular dominance;Refractive errors


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