visual variant of Alzheimer's disease
noun [ U ] medical specialized uk/ˌvɪʒ.u.əl ˌveə.ri.ənt əv ˈælts.haɪ.məz dɪˌziːz/ us/ˈvɪʒ.u.əl ˈver.i.ənt əv ˈæltsˌhaɪ.mɚz dɪˌziːz/ (also posterior cortical atrophy); (Benson's syndrome)
阿尔茨海默症视觉功能障碍
a condition in which the back of the brain becomes damaged, so that someone gradually becomes unable to see