title: Totally asymptomatic inferior oblique overaction.
abstract: Seventeen children were demonstrated to have completely asymptomatic overaction of one or both inferior oblique muscles. None had a constant vertical deviation in primary position, up gaze or down gaze, and significant patterns were absent. None had diplopia or complaints of torsion. The Bielschowsky head tilt test gave a negative result in all cases. No patient showed excyclorotation on fundus examination. Long-term follow-up (28 to 134 [average 75.6] months) of 13 of the patients showed that the condition did not worsen with time and may not require surgical weakening of the inferior oblique muscle.
authors.affiliation: Department of Ophthalmology, Children's Hospital of Eastern Ontario, Ottawa.
authors.forename: W N
authors.initials: WN
authors.lastname: Clarke
authors.forename: L P
authors.initials: LP
authors.lastname: Noël
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D015835:Ocular Motility Disorders / Q000175:diagnosis*; D013285:Strabismus / Q000175:diagnosis