Anton's syndrome

noun

An·​ton's syndrome ˈan-ˌtänz- 

variants also Anton syndrome

: a rare disorder in which blindness associated with damage to the cerebral cortex especially of the occipital lobes is accompanied by denial of visual loss by the patient

Anton's syndrome is usually associated with bilateral cerebral infarcts in the distribution of the posterior cerebral arteries.

—Kenneth M. Heilman, in Awareness of Deficit After Brain Injury …

Unawareness or denial of blindness in the Anton syndrome is coupled with confabulations.

—Michael S. Myslobodsky and Leslie Hicks, in The Mythomanias …