| A neurodegenerative disorder with progressive ataxia, motor system abnormalities, dysarthria, dysphagia and retinal degeneration leading to progressive blindness. Manifestations that present in infancy and early childhood include muscle weakness, wasting, hypotonia, poor feeding, failure to thrive and loss of motor milestones. Inherited autosomal dominantly. The prognosis depends on the age of symptom onset. An earlier onset is associated with a more severe and rapidly progressive disease. |
