Cerebral Visual Impairment, also known as cortical visual impairment, is related to autism spectrum disorder and microcephaly. An important gene associated with Cerebral Visual Impairment is GNB1 (G Protein Subunit Beta 1), and among its related pathways/superpathways is 1p36 copy number variation syndrome. The drugs Benzocaine and Calcium carbonate have been mentioned in the context of this disorder. Affiliated tissues include cortex and eye, and related phenotypes are intellectual disability and cerebral palsy