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PubMed2002

[Vision disorders of central origin].

Cortical blindness (or more generally, cerebral blindness) consists of bilateral visual loss with normal ocular examination and normal pupillary function, related to bilateral occipital lesions. Its most frequent cause in adults is hypoperfusion in the vertebral-basilar arteries, although other curable causes are described. Other syndromes, related to lesions of associative cortical areas or occipital-fugal connections may cause poorly defined visual complaints. Their recognition by the ophthalmologist is mandatory, as they may concern a potentially curable underlying disease.

Blindness, Cortical↗
PubMed1990

[Drusen papilla with vision disorder and pathologic visual evoked potentials].

Six cases of optic nerve head drusen ophthalmoscopically are reported. Five of these had pathological latencies of the P 100 potentials on VEP examination. Only three of the patients had subjective visual complaints; all six, however, had variable visual field defects. Optic nerve head drusen are an important differential diagnosis, which can be readily established especially in those younger patients who need neurological and ophthalmological examination because of visual disturbances and pathological VEP responses.

Adult↗