J Korean Ophthalmol Soc.
2002 Jan;43(1):149-154.
Reliability of the Dynamic Stereoacuity using New Personal Computer Program
- Affiliations
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- 1Department of Ophthalmology, Medical Research Center, College of Medicine, Ewha Womans University, Mokdong Hospital, Korea. Limkh@unitel.co.kr
Abstract
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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.
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