title: Symposium: combined horizontal and vertical deviations. Introduction.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005069:Evaluation Studies as Topic; D006801:Humans; D009801:Oculomotor Muscles / Q000601:surgery; D013285:Strabismus / Q000175:diagnosis* / Q000601:surgery; D014792:Visual Acuity