We obtained audiograms and auditory brainstem responses from 44 patients with Duane's retraction syndrome to assess the incidence and nature of hearing deficit. Of 44 patients, seven (15.9%) had evidence of hearing impairment. Three (6.8%) subjects had a temporary conductive hearing loss because of middle ear fluid, and another patient had hearing loss from… (More)
The authors describe a case of vertical congenital ocular motor apraxia (COMA). The pathways of vertical saccades and pursuits are briefly outlined, and a possible cause of vertical COMA is suggested. A neuropathological correlate is needed to confirm the cause of both vertical and horizontal ocular motor apraxia.