Behrens, Myles. Neuro-Ophthalmic motility disorders [videorecording] / Myles Behrens. - San Francisco : American Academy of Ophthalmology, 1975. - 1 videocassette (59 min.) : sd, col. ; 1/2 in. - Continuing educational television in ophthalmology . Subjects--Topical Terms: Eye--Movements.Nystagmus, Pathologic.Ophthalmoplegia.