The most common cause of<unk>  is ischemia (oxygen deprivation) to the occipital lobes caused by blockage to one or both of the posterior cerebral arteries. However, other conditions have also been known to cause acquired and transient<unk> , including: * Congenital abnormalities of the occipital lobe * Head trauma to the occipital lobe of the brain * Bilateral lesions of the primary visual cortex * Infection * Creutzfeldt–Jakob disease (CJD), in association with a rapid onset of dementia * rarely Dissociative identity disorder (DID) * Side effect of some anti-epilepsy drugs (AEDs) * Hyperammonemia * Eclampsia and, rarely, pre-eclampsia The most common causes of congenital<unk>  are: * Traumatic brain injury (TBI) to the occipital lobe of the brain * Congenital abnormalities of the occipital lobe * Perinatal ischemia * Encephalitis * Meningitis
Cortical blindness
Color blindness
Visual impairment
Inattentional blindness
Cortical deafness
Childhood blindness
Computer vision syndrome
Cortical visual impairment