<unk>  (or<unk>  is the medical description of a type of partial blindness where vision is missing in the inner half of both the right and left visual field. It is associated with certain lesions of the eye and of the central nervous system, such as congenital hydrocephalus.
Binasal hemianopsia
Bitemporal hemianopia
Hemispatial neglect
Photopsia
Ophthalmoparesis
Palmar Plantar Erythrodysesthesia​
Quassia
Achromatopsia