EyeWiki:Featured article/November 15, 2019

From EyeWiki

Featured Article for November 15, 2019

Visual variant of Alzheimer’s disease

The visual variant of Alzheimer’s disease (VVAD), also known as Posterior Cortical Atrophy (PCA) or Benson’s syndrome, is a rare neurodegenerative disease. It is characterized by progressive higher order visual dysfunction with relative sparing of other cognitive functions until late in the course. The majority of cases share pathological features with Alzheimer’s Disease (AD).