What is Cortical Visual Impairment (CVI)? CVI refers to a brain condition, not an eye condition and results from damage to the visual systems in the brain that deal with processing and integrating ...

Certain characteristics of CVI influence the design of materials very differently from materials designed for people with vision loss or blindness, with an emphasis on maximizing the effectiveness of ...

Not all cases of Alzheimer’s disease begin with memory problems. A rare form called posterior cortical atrophy (PCA) affects vision first, making it hard for people to read, navigate, or recognize ...

Differences in the distribution of certain proteins and markers in the brain may explain why some people first experience vision changes instead of memory loss in Alzheimer's disease, finds a new ...