Superior rectus recessions for dissociated vertical deviation.
Thirty-two eyes of 31 patients received superior rectus recessions for the treatment of dissociated vertical deviation (DVD). All patients were followed for a postoperative period of at least six months, and 50% were followed for a period of three years or more. The differential diagnosis of DVD and inferior oblique overaction was important, and the distinguishing features of each are mentioned. A distinction was made between occlusion hyperphoria, a latent deviation in the preferred fixating eye, and DVD, a manifest deviation in the nonpreferred eye. In the vast majority of cases, a unilateral superior rectus recession of graduated amounts was performed in the eye with a cosmetically unacceptable DVD. The surgical "hang loose" technique permitted avoiding technically difficult situations. After operation 82% of the eyes were aligned, within the good to excellent categories (0-9 prism diopters).
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005403:Fixation, Ocular; D005500:Follow-Up Studies; D006801:Humans; D009801:Oculomotor Muscles / Q000601:surgery*; D013285:Strabismus / Q000175:diagnosis / Q000601:surgery*