Survey of management strategies for nystagmus patients with vertical or torsional head posture.

Surgery for a horizontal face turn or tilt in patients with congenital nystagmus began in 1953 and has been modified frequently since then. There are few published reports stating the frequency of or surgical guidelines for the treatment of a vertical or torsional head position due to congenital nystagmus and associated null point. To address this issue a questionnaire was sent to all members of the American Association for Pediatric...