The Association between Level of Control and Exodeviation after the Monocular Occlusion Test in Pediatric Patients with Intermittent Exotropia
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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 YeungnamUniversity Hospital between September 2015 and December 2020. The largest exodeviation obtained before and after 1 hourof MO were compared. The LACTOSE (Look And Cover, then Ten seconds of Observation Scale for Exotropia) control scoringsystem was used to measure the level of control. Controllability was defined when the patient had the subjective awarenessof 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 inexodeviation ≥5 prism diopters (PD) after the test did not show any significant association with the control scores. The presenceof 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 patientswith intermittent exotropia. There was no significant association between the control scores and an increase of ≥5 PD afterthe MO. Patients with controllability were more likely to show increase in exodeviation after the MO.
Abstract
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 YeungnamUniversity Hospital between September 2015 and December 2020. The largest exodeviation obtained before and after 1 hourof MO were compared. The LACTOSE (Look And Cover, then Ten seconds of Observation Scale for Exotropia) control scoringsystem was used to measure the level of control. Controllability was defined when the patient had the subjective awarenessof 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 inexodeviation ≥5 prism diopters (PD) after the test did not show any significant association with the control scores. The presenceof 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 patientswith intermittent exotropia. There was no significant association between the control scores and an increase of ≥5 PD afterthe MO. Patients with controllability were more likely to show increase in exodeviation after the MO.
참고문헌 (11)
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