Atlantoaxial dislocation related to instilling eyedrops in a patient with Down's syndrome

PURPOSE: To alert ophthalmologists of the risk of hyperextending the neck of patients with Down's syndrome while holding them to instill eyedrops. METHOD: We describe a case of atlantoaxial dislocation related to instilling eyedrops in a 6-year old girl with Down's syndrome. RESULT: Early recognition of the problem allowed prompt treatment and partial recovery of the patient. CONCLUSION: Examination and clinical maneuvers vers in a child with Down's syndrome require gentleness and avoidance of hyperextension of the neck to prevent spinal cord injury.