Journal of the Korean Ophthalmological Society 2002;43(1):149-154.
Published online January 1, 2002.
Reliability of the Dynamic Stereoacuity using New Personal Computer Program.
Sung Eun Park, Key Hwan Lim
Department of Ophthalmology, Medical Research Center, College of Medicine, Ewha Womans University, Mokdong Hospital, Korea. Limkh@unitel.co.kr
개인용 컴퓨터를 이용한 동적 입체시 측정의 신뢰도
박성은 ( Sung Eun Park ) , 임기환 ( Key Hwan Lim )
Abstract
PURPOSE
We performed this study to evaluate the reliability of dynamic stereoacuity test with new personal computer program. METHODS: Twenty subjects (5 men, 15 women) were examined for dynamic stereo-threshold measured by new computer program at 94cm test distance. On fifty tested subjects, variant dynamic stereoacuity was created with the random spherical lenses from +0.5 to +3.0 diopter before the right eye. To evaluate the intraobserver reliability of the test, stereoacuity was measured five times on five separate days by the same examiner. To evaluate the interobserver reproducibility, stereoacuity was measured two times by two different examiners. RESULT: The Cronbach's alpha (internal consistency) of intraobserver was 0.99 (P<0.001). The Spearman correlation coefficient of interobserver was 0.99 (P<0.001). CONCLUSION: This method of dynamic stereoacuity measurement has a high reliability.
Key Words: Reliability;Dynamic stereoacuity test;Cronbach's alpha


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