title: Agenesis of three horizontal rectus muscles.
mesh_terms: D002675:Child, Preschool; D005260:Female; D005403:Fixation, Ocular; D006257:Head / Q000503:physiopathology; D006801:Humans; D009068:Movement; D009801:Oculomotor Muscles / Q000002:abnormalities* / Q000601:surgery; D013285:Strabismus / Q000151:congenital / Q000235:genetics / Q000601:surgery