Journal of the Korean Ophthalmological Society 2005;46(8):1387-1392.
Published online August 31, 2005.
Muscle Width and Distance from Limbus to Muscle Insertion Site in Strabismus Patient.
Hyun Min Shin, Helen Lew, Young Su Yun
Department of Ophthalmology, Pochun CHA University College of Medicine Pundang CHA Hospital, Sungnam, Korea. eye@cha.ac.kr
사시 수술 시 측정한 외안근의 폭과 각막 윤부에서 부착부까지의 거리
신현민,유혜린,윤영수
Department of Ophthalmology, Pochun CHA University College of Medicine Pundang CHA Hospital, Sungnam, Korea
Correspondence:  Hyun-Min Shin, M.D
Abstract
PURPOSE
This study investigated the differences of muscle width and distance from limbus to muscle insertion site according to age and sex, and the correlation with ocular axial length and strabismus degree. METHODS: The study subjects were 100 eyes of 50 horizontal strabismus patients undergoing rectus muscles recession. Ocular axial lengths were measured at preoperation, while muscle width and distance from limbus to muscle insertion site were measured during operation. Preoperative and postoperative comparison items were retrospectively investigated with the medical records. Correlations of muscle width, distance from limbus to muscle insertion site and the comparison items were verified by ANOVA test. RESULTS: Muscle width was 10.05+/-0.86 mm in medial rectus muscle and 9.38+/-1.03 mm in lateral rectus muscle. Distance from limbus to muscle insertion site was 5.21+/-0.85 mm in medial rectus muscle and 6.37+/-1.01 mm in lateral rectus muscle. Muscle width and distance from limbus to muscle insertion site had no correlations with ocular axial length and strabismus degree, but ocular axial length was significantly longer in the older group compared to the younger group and in the male group compared to the female group. CONCLUSIONS: It is presumed that muscle width and distance from limbus to muscle insertion site have no relationship with age, sex and strabismus degree.
Key Words: Age;Distance from limbus to muscle insertion site;Muscle width;Sex


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