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디지털 방식의 안구회선각도 측정 및 재현성

Other Titles
 Digital Videographic Measurement ofCyclotorsional Angle in Normal Human Eye 
Authors
 한승한  ;  김상길  ;  이종복 
Citation
 Journal of the Korean Ophthalmological Society (대한안과학회지), Vol.39(7) : 1571-1577, 1998 
Journal Title
 Journal of the Korean Ophthalmological Society (대한안과학회지) 
ISSN
 0378-6471 
Issue Date
1998
Abstract
The eyeball movement is classified into horizontal, vertical movement and cyclotorsion. The cyclotorsion has been known to be induced by two oblique and vertical rectus muscles. But there have been few precise methods for the measurement of cyclotorsion. So, we tried to find the precise method for the measurement of cyclotorsion with digital videographic method. Sixteen normal volunteers were included in this study, who had no eyeball movement disorders. For the measurement of cyclotorsion that followed by head tilt, the volunteers haed was tilted to fifteen, thirty, forty-five and sixty degree to the left and the partially compensated counter torsion was recorded with video camera. The movement was analyzed with digitally using IBM clone computer. The linear regression equation, between the head tilt and cyclotorsion was Y=2.019 X + 22.2280 (Y=head tilt, X=cyclotorsion) and coefficient of variation(%) was 0.88%. Therefore, our videographic method for the measurement of cyclotorsion was relatively precise and may be applied in the measurement of ocular torsion
Files in This Item:
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실) > 1. Journal Papers
Yonsei Authors
Lee, Jong Bok(이종복)
Han, Seung Han(한승한) ORCID logo https://orcid.org/0000-0001-8972-4790
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/177088
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