Journal of the Korean Ophthalmological Society 2004;45(12):2093-2098.
Published online December 1, 2004.
Ciliary Sulcus Size according to Refractive Error using Ultrasound Biomicroscopy.
Seung Chan Lee, Kyung Hyun Jin
Department of Ophthalmology, Kyung Hee University College of Medicine, Seoul, Korea. khjinmd@khmc.or.kr
초음파 생체현미경을 이용한 굴절이상정도에 따른 섬모체고랑거리의 비교분석
이승찬 ( Seung Chan Lee ) , 진경현 ( Kyung Hyun Jin )
Abstract
PURPOSE
To evaluate the correlation between the size of ciliary sulcus and ocular measurements such as anterior chamber depth, axial length and limbus size, we measured anterior chamber depth, axial length, corneal thickness, corneal limbus size and ciliary sulcus size. We also evaluated the difference in ciliary sulcus size according to the refractive errors. METHODS: Forty eyes of twenty patients were subdivided into three groups after refraction: high myopia (>or= 6 diopter; 13 eyes), moderated myopia (>or= 3 diopter, < 6 diopter; 17 eyes), and low myopia (< 3 diopter; 10 eyes). We measured the anterior chamber depth using ultrasound biomicroscopy (UBM), and calculated the size of the ciliary sulcus by mapping method. We measured the axial length with ultrasonography, the size of limbus with calipers, and performed corneal topography. RESULTS: Vertical ciliary sulcus sizes were 12.2 +/- 0.6 mm, 12.2 +/- 0.5 mm, and 11.8 +/- 0.5 mm, while horizontal ciliary sulcus sizes were 11.8 +/- 0.6 mm, 11.9 +/- 0.4 mm, and 11.6 +/- 0.6 mm, in the high, moderate and low myopia groups, respectively. There were no significant differences between groups. Horizontal ciliary sulcus size was most positively correlated with anterior chamber depth among the ocular measurements(Pearson r=0.46). CONCLUSIONS: There were no significant correlations between ciliary sulcus size and anterior chamber depth, axial length and limbus size, and there were no differences in the ciliary sulcus size according to the refractive errors.
Key Words: Ciliary sulcus size;Limbal size;Ultrasound biomicroscopy (UBM)


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