J Korean Ophthalmol Soc > Volume 56(11); 2015 > Article
Journal of the Korean Ophthalmological Society 2015;56(11):1777-1782.
DOI: https://doi.org/10.3341/jkos.2015.56.11.1777    Published online November 15, 2015.
Surgical Results of Patients with +3.00 Diopters or More Hyperopia and Exotropia.
Tae Hwan Moon, Mi Young Choi
Department of Ophthalmology, Chungbuk National University College of Medicine, Cheongju, Korea. mychoi@chungbuk.ac.kr
+3.00디옵터 이상의 원시를 동반한 외사시 환자의 수술 결과
충북대학교 의과대학 안과학교실
Received: 15 May 2015   • Revised: 19 June 2015   • Accepted: 21 August 2015
To evaluate the surgical result of patients who had intermittent or constant +3.00 diopter (D) or more exotropia and hyperopia. METHODS: Twenty-seven patients who had an operation for +3.00 D or more hyperopia and exotropia were included. The duration of follow-up was 6 months or more after surgery. Age at the initial visit, visual acuity, refractive errors, presence of amblyopia, reduced rate of hyperopic correction, changes in exodeviated angle after reduction of hyperopic correction, surgical results and postoperative data were analyzed. RESULTS: The mean age at the initial visit was 5.4 years and at surgery was 7.3 years. The mean degree of hyperopia in the worse eye was 3.86 +/- 1.35 D and the better eye 1.31 +/- 1.19 D. Fourteen of the 27 patients had amblyopia. The degree of reduced hyperopia correction was 1.35 +/- 1.06 D during the preoperative period. The initial angles of deviation were 26.8 +/- 7.7 prism diopters (PD) at distance and 28.2 +/- 8.9 PD at near. At postoperative 12 months, 19 of 27 patients (70.4%) achieved deviated angle within 10 PD. The cause of surgical failure was recurrence of exotropia. All the surgically failed patients had reduced hyperopic correction of the better eye before surgery. Reduction rate of hyperopic correction in the surgically failed group was significantly higher than in the surgically successful group (p = 0.004). CONCLUSIONS: There was a high incidence of amblyopia in the patients with +3.00 D or more exotropia and hyperopia before surgery. The cause of surgical failure was the recurrence of exotropia, and the degree of reduced hyperopic correction in the surgically failed group was larger than in the surgically successful group.
Key Words: Amblyopia;Exotropia;Hyperopia;Spectacle correction;Surgical outcome

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