Korean J Ophthalmol > Volume 18(2); 2004 > Article
Korean Journal of Ophthalmology 2004;18(2):154-160.
DOI: https://doi.org/10.3341/kjo.2004.18.2.154    Published online December 30, 2004.
A Study on the Clinical Usefullness of Digitalized Random-dot Stereoacuity Test.
Jae Wook Yang, Min Ho Son, Il Han Yun
1Department of Ophthalmology, Busan Paik Hospital, In Je University, College of Medicine, Korea.
2In Je University Ophthalmology Research Foundation, Korea.
3Lee Eye Clinic, Busan, Korea.
Existing methods of stereoacuity testing need specific glasses or optical device for use. We have designed a new stereoacuity test for the digitalized, random-dot stereogram and researched its clinical usefulness. A digitalized, random-dot, stereoacuity test card was created with a computer program that used a preferred symbol and the designed system was tested along with the Randot preschool stereoacuity, Titmus-fly and Lang tests to compare their sensitivity and specificity. The mean success rate of the digitalized, random-dot test was 98.2%, while the rates of the Randot preschool stereoacuity, Titmus-fly and Lang tests were 89.3%, 74.2% and 86.1%, respectively. Sensitivity and specificity of the new test were 100% and 95.3%, respectively, which were not that different from those of the Randot preschool stereoacuity, Titmus-fly and Lang tests. We found that the digitalized, random-dot, stereoacuity test has a high success rate and can be appropriately used in medical examinations and follow-up tests for strabismus patients.
Key Words: clinical usefulness;digitalized random-dot stereoacuity test;sensitivity;specificity;strabismus
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