| The Surgical Outcome and Stereopsis between Pseudodivergence Excess Type and Convergence Insufficiency Type. |
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Sung Il Kang, Young Chun Lee, Se Youp Lee |
1Department of Ophthalmology, Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Korea. lsy3379@dsmc.or.kr
2Department of Ophthalmology and Visual Science, Uijeongbu St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Uijeongbu, Korea. |
| 간헐외사시의 거짓눈벌림과다형과 눈모음부족형의 수술 결과 비교 |
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강승일1⋅이영춘2⋅이세엽1 |
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계명대학교 의과대학 동산의료원 안과학교실1, 가톨릭대학교 의과대학 의정부성모병원 안과 및 시과학교실2 |
Correspondence:
Se Youp Lee,
Email: lsy3379@dsmc.or.kr
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Received: 27 August 2015 • Revised: 12 October 2015 • Accepted: 16 January 2016 |
| Abstract |
PURPOSE
To compare the surgical outcomes and stereopsis between pseudodivergence excess type and convergence insufficiency type in intermittent exotropia. METHODS: In a retrospective comparative analysis of 42 eyes, 18 eyes that were of the convergence insufficiency type (group 1) and 24 eyes that were or the pseudodivergence excess type (group 2) were analyzed. Recession-resection was performed in the same eye. Success was defined to be within ±8 PD after 12 months postoperatively; more than ±8 PD was defined as recurrence. Stereopsis was measured by the Titmus test. RESULTS: After the patch test, the mean preoperative near angle in group 1 was 35.56 ± 6.62 PD and the far angle was 23.06 ± 6.22 PD. In group 2, the mean preoperative near angle was 26.92 ± 6.30 PD and the far angle was 28.29 ± 7.41 PD. The group 1 postoperative (12 months) mean near angle was 6.89 ± 8.46 PD and the far angle was 6.11 ± 7.90 PD. In group 2, the mean postoperative near angle was 1.75 ± 2.85 PD and the far angle was 3.42 ± 3.98 PD. The success rate of group 1 was 50% and the success rate of group 2 was 83.3%. The success rate of both group were statistically significant differences (p = 0.021). The postoperative (12 months) mean of near stereopsis for group 1 was 588 ± 1,124 seconds, and group 2 was 101.25 ± 102 seconds. There were no statistically differences in postoperative (12 months) stereopsis. CONCLUSIONS: The success rate of the pseudodivergence excess type was significantly higher than in the convergence insufficiency type. |
| Key Words:
Convergence insufficiency type;Intermittent exotropia;Pseudodivergence excess type;Stereopsis |
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