10-Prism-Diopter Fixation Test for Amblyopia.
10.3341/jkos.2009.50.2.269
- Author:
Joo Youn PARK
1
;
Song Hee PARK
Author Information
1. Department of Ophthalmology, Soonchunhyang University College of Medicine, Seoul, Korea. scheye@hosp.sch.ac.kr
- Publication Type:Original Article
- Keywords:
Amblyopia;
10 prism diopter fixation test
- MeSH:
Amblyopia;
Child;
Humans;
Sensitivity and Specificity
- From:Journal of the Korean Ophthalmological Society
2009;50(2):269-274
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
PURPOSE: To evaluate the clinical usefulness of the 10-prism-diopter (PD) fixation test in the diagnosis of amblyopia. METHODS: The study comprised 132 children (42 normal, 90 amblyopes) who underwent the 10-PD fixation test and stereoacuity test. The sensitivity, specificity, false-positive and false-negative rates of the 10-PD fixation test were analyzed according to the clinical diagnosis. RESULTS: The 10-PD fixation test sensitivity was 86%, the specificity was 61%, the false-positive rate was 17% and the false-negative rate was 24%. Data showed agreement between the 10-PD fixation test and the stereoacuity test (gamma=0.737, p=0.000). The results in the 10-PD base-down test and base-out test also showed agreement (gamma=0.779, p=0.000). CONCLUSIONS: The 10-PD fixation test is a simple and useful method in detecting amblyopia.
