| Comparison of Hirschberg Test with Prsim and Alternate Cover Test in Measuring the Ocular Deviation. |
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Sang Don Boo, Jong Bok Lee |
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Department of Ophthalmology, Yonsei University College of Medicine, Seoul, Korea. |
| Hirschberg 각막반사법과 프리즘교대차폐법에 의한 사시각측정의 비교 |
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부상돈(Sang Don Boo),이종복(Jong Bok Lee) |
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| Abstract |
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Measurements of ocular deviation were obtained from 45 exotropes and 31 esotropes, using Hirschberg corneal reflex test, and prism and alternate cover test respectively. The mean angle of devation in exotropes was 27.42 +/- 8.60 delta by Hirschberg test, 27.80 +/- 8.11 delta by prism and alternate cover test. There was no significant difference between these two groups (p>0.05). The mean angle of deviation in esotropes was 28.55 +/- 12.92 delta by Hirschberg test, 31.58 +/- 13.08 delta by prism and alternate cover test. The difference between these two groups was significant (p<0.05). In patients whose angle kappa was zero and exotropes whose angle kappa was positive, there was no significant diHerence between the two tests. In esotropes whose angle kappa was positive, the mean angle of deviation was 29.74 +/- 15.59 delta by Hirschberg test, and 33.47 +/- 15.91 delta by prism and alternate cover test. The difference between the two groups was significant (p
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| Key Words:
Angle kappa;Hirschberg test;Prism and alternate cover test |
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