EyeWiki:Featured article/November 15, 2019
Featured Article for November 14, 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).