Postoperative changes of intermittent exotropia type as classified by 1-hour monocular occlusion

Seok Hyun Bae, Young Bok Lee, Soolienah Rhiu, Joo Yeon Lee, Mi Young Choi, Hae Jung Paik, Key Hwan Lim and Dong Gyu Choi

PLOS ONE, 2018, vol. 13, issue 8, 1-10

Abstract: Purpose: To evaluate postoperative changes of the intermittent exotropia type as classified by 1-hour monocular occlusion test. Design: Institutional, retrospective study. Methods: We retrospectively reviewed the medical records of 179 patients who had undergone surgery for intermittent exotropia with a postoperative follow-up of 6 months or more. We evaluated the exodeviation obtained before and after 1-hour monocular occlusion preoperatively and again at postoperative 1, 3 and 6 months. Intermittent exotropia was divided into 4 types according to Burian’s classification. The main outcome measure was the distribution of intermittent exotropia type based on 1-hour monocular occlusion in both pre- and postoperative periods. Results: Of the 179 patients, 152 (84.9%) were assigned preoperatively to the basic type, 14 (7.8%) to the pseudo-divergence excess type, and 13 (7.8%) to the convergence insufficiency type. At postoperative 1, 3, and 6 months, the exotropia-type distribution was shifted predominantly to the basic type (p

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0200592

DOI: 10.1371/journal.pone.0200592

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