Understanding and Awareness on Cerebral/Cortical Visual Impairment (CVI) | Early Intervention: Helping babies with visual impairments Cortical Vision impairment or CVI is a type of vision disorder that is caused by damage to the parts of the brain that process vision. Infants and children with CVI can develop better visual functioning with early intervention and therapy, and other special services. Narayana Nethralaya offers comprehensive evaluation of CVI and vision rehabilitation therapies to