The Association between Level of Control and Exodeviation after the Monocular Occlusion Test in Pediatric Patients with Intermittent Exotropia

• 영문명: The Association between Level of Control and Exodeviation after the Monocular Occlusion Test in Pediatric Patients with Intermittent Exotropia
• 발행기관: 대한안과학회
• 저자명: Sunggeun Son Won Jae Kim
• 간행물 정보: 『The Korean Journal of Ophthalmology』Vol.36 No.4, 350~355쪽, 전체 6쪽
• 주제분류: 의약학 > 기타의약학
• 파일형태: PDF
• 발행일자: 2022.08.31

영문 초록

Purpose: We investigated the association between the level of control and exodeviation after the monocular occlusion test (MO) in pediatric patients with intermittent exotropia. Methods: We retrospectively reviewed the records of pediatric patients with intermittent exotropia who visited Yeungnam University Hospital between September 2015 and December 2020. The largest exodeviation obtained before and after 1 hour of MO were compared. The LACTOSE (Look And Cover, then Ten seconds of Observation Scale for Exotropia) control scoring system was used to measure the level of control. Controllability was defined when the patient had the subjective awareness of exotropia and the instinctive ability to correct ocular deviation. Results: Five hundred and three consecutive patients (260 male and 243 female patients; mean age, 7.8 years) were included. In all control scores, exodeviation significantly increased after the MO (p < 0.001). However, the patients with an increase in exodeviation ≥5 prism diopters (PD) after the test did not show any significant association with the control scores. The presence of controllability was significantly associated with an increase of ≥5 PD at near (p = 0.034). Conclusions: Exodeviation showed significant increase after the MO, regardless of the level of control, in pediatric patients with intermittent exotropia. There was no significant association between the control scores and an increase of ≥5 PD after the MO. Patients with controllability were more likely to show increase in exodeviation after the MO.

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키워드

Exotropia Strabismus