| Comparison of Orbital Anatomy in Korean and Caucasian Patients Using Computed Tomography. |
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Hyun Chul Jeong, Hee Bae Ahn |
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Department of Ophthalmology, Dong-A University College of Medicine, Busan, Korea. hbahn@dau.ac.kr |
| 전산화단층촬영을 통한 정상 한국인과 백인의 안와 구조의 비교 |
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정현철⋅안희배 |
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동아대학교 의과대학 안과학교실 |
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Received: 19 September 2014 • Revised: 12 March 2015 • Accepted: 10 July 2015 |
| Abstract |
PURPOSE
In this study we analyzed and compared the orbital anatomy in Korean and Caucasian subjects using computed tomography (CT) measurements. METHODS: Two observers performed a cross-sectional, retrospective analysis of 44 CT scans of subjects (22 Koreans, 22 Caucasians) with no appreciable orbital or globe disease. Ten length measurements and 3 angle measurements of various orbital aspects were obtained. Analysis was performed to determine if changes in these parameters were associated with race. RESULTS: Anterior medial interorbital length was 24.05 +/- 2.00 mm in Korean and 21.96 +/- 1.96 mm in Caucasian subjects. Anterior vertical orbital length was 34.19 +/- 1.67 mm in Korean and 35.03 +/- 1.18 mm in Caucasian subjects. The anterior medial interorbital length and anterior vertical orbital length (p < 0.05) were significantly different. Interorbital angle was 47.69degrees +/- 1.49degrees in Korean and 46.15degrees +/- 2.19degrees in Caucasian subjects; the difference was statistically significant (p < 0.05). CONCLUSIONS: Compared with Caucasians, the orbit of Korean subjects has a narrower orbital opening and longer interorbital distance. The present study regarding the anatomy of Korean and Caucasian orbits will assist physicians with the evaluation and treatment of orbital diseases. |
| Key Words:
Computed tomography;Korean orbits;Orbital anatomy |
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