Lafora disease

Lafora disease (LD) is a rare, inherited, severe, progressive myoclonic epilepsy characterized by myoclonus and/or generalized seizures, visual hallucinations (partial occipital seizures), and progressive neurological decline.

Blindness

Blindness is the condition of lacking visual perception defined as visual perception below 3/60 and/or a visual field of no greater than 10 degress in radius around central fixation.


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PMID (PMCID)
84746
 MALE Adult
Electroretinographic responses in Lafora disease.
Korczyn AD, Ben-Tovim N.
Electroencephalogr Clin Neurophysiol. 1978;45(6):785-8.
In 3 patients with Lafora disease specific ERGs were observed resembling closely those seen in the Schubert-Bronschein type of night blindness.