00795cam a2200145 4500 240693867 TxAuBib 20150813120000.0 150813|||||||||||||||||||||||||||||und|u TxAuBib Cortical Visual Impairment in Young Children. Hope, Inc.. Cortical Visual Impairment (CVI) is now the most common cause of visual disturbance in children. This is due to increased survival of children with significant brain damage, as well as increased awareness and diagnosis of this condition. This 16-minute DVD shows children with varying degrees of CVI, illustrates specific signs and symptoms of the disorder, and demonstrates appropriate intervention techniques. 20150813.