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ArticleGraefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie2025

Clinical characteristics of intermittent exotropia according to fusional control: findings from the Korean Intermittent Exotropia Study (KIEMS).

Dae Hee Kim, Helen Lew, Sang Hoon Rah, Yung-Ju Yoo, Hyosook Ahn, Ungsoo S Kim, Jung Ho Lee, Se-Youp Lee, Korean Association of Pediatric Ophthalmology and Strabismus (KAPOS)

Abstract readMulticenter Study
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In one paragraph

Article in Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

9 authors.

Dae Hee KimDepartment of Ophthalmology, Kim's Eye Hospital, Seoul, Korea.
Helen LewCHA University Medical College Bundang CHA Medical Center, Seongnam, Korea.
Sang Hoon RahWonju Severance Christian Hospital, Wonju, Korea.
Yung-Ju YooDepartment of Ophthalmology, Kangwon National University School of Medicine, Chuncheon, Korea.
Hyosook AhnDepartment of Ophthalmology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
Ungsoo S KimDepartment of Ophthalmology, Kim's Eye Hospital, Seoul, Korea.
Jung Ho LeeDaegu Premier Eye Center, Daegu, Korea.
Se-Youp LeeDepartment of Ophthalmology, Keimyung University, School of Medicine, Daegu, Korea. lsy3379@dsmc.or.kr.
Korean Association of Pediatric Ophthalmology and Strabismus (KAPOS)

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeTo investigate clinical features of intermittent exotropia (IXT) according to fusional control status from the Korean Intermittent Exotropia Multicenter Study (KIEMS).

methodsA total of 2715 IXT participants from the KIEMS dataset were included in this study. We collected age, sex, best corrected visual acuity in LogMAR (BCVA), cycloplegic refraction data, exotropia angle and fusional control status, and near stereoacuity. Exotropia types were classified into basic, convergence insufficiency (CI) and divergence excess (DE) types. Distributions of exotropia type and sex according to fusional control status were investigated. Age, BCVA, spherical equivalents, exotropia angle and near stereoacuity were compared according to fusional control status.

resultsFemale to male ratio was 1316 (48.5%) to 1399 (51.5%). Mean age of the participants was 9.4 ± 6.4 years. Mean exotropia angle was 22.5 ± 8.8 and 24.8 ± 9.4 prism diopters at distant and near fixation. Fusional control status was better in CI at distant and DE at near (P = 0.002, 0.021 each). Distant and near exotropia angle were larger in patients with worse distant and near control (P < 0.001). Near stereoacuity was also worse in patients with worse distant and near control (P < 0.001). Good distant control patients had more myopic SE (P < 0.001). Poor near control patients showed worse BCVA and larger BCVA difference (P < 0.001).

conclusionFusional control was highly associated with exotropia type and angle, near stereoacuity, and visual acuity. Near fusional control was associated with mean and difference of BCVA in both eyes.

Indexed as

ExotropiaOculomotor MusclesRefraction, OcularVision, BinocularVisual AcuityAdolescentChildChild, PreschoolFemaleFollow-Up StudiesHumansMaleRepublic of KoreaRetrospective StudiesFusion controlIntermittent exotropiaKAPOSKIEMSMulticenter study

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.