The development of visual functions in cerebrally blind children during a systematic visual field training.

摘要: Sixteen children aged I to 15 years who were blind due an ischemic postgeniculate cerebral lesion after perinatal asphyxia and 6 1 13 blinded a traumatic participated in systematic visual field training. Thirty-one following 12 suffered from blindness served as controls. These received no training or ineffective The extension of the functional luminance difference threshold assessed with specially designed arc perimeter. In all had already persisted for at least one year. Visual functions developed within period three months 22 whereas there was spontaneous recovery control group. still elevated above normal case 5 recovered blindness. 2 latency saccades elicited by light targets formerly area significantly longer than field. Light scatter controlled order exclude that widening during which we interpreted sign development effect scattering light. findings support assumption stimulation cerebrally areas may facilitate brain damaged children. lesions associated impaired improved treatment are agreement spared tissue striate extrastriate cortex underlying white matter is anatomical basis shrinkage areas.