Occipital lobe syndrome

It is characterized by visual symptoms such as:
 * homonymous hemianopsia',
 * cortical blindness with a bilateral lesion in the area of fissura calcarina; optokinetic nystagmus is gone, the photoreaction is preserved
 * phosphenes or visual pseudohallucinations arise from an irritating lesion,
 * alexia, visual agnosia in lesions of the speech-dominant hemisphere..

Among the most common causes are thrombosis or embolism in the area of the aa. cerebri posteriores.

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