Hemianopia is a loss of half a person’s peripheral vision. This means a person loses the right half or left half of vision in each eye. Hemianopia can occur from injury to the brain, such as a stroke.

Suddenly you can’t see to one side. It’s not that your left eye (or right) has stopped working entirely. It’s that you lose half of the visual field in both eyes. It’s like wearing glasses with a half ...

Blindsight describes the phenomenon whereby individuals with damage to the primary visual cortex (V1) retain certain visually guided behaviours despite an absence of conscious visual perception. In ...