A childhood electroclinical syndrome characterized by partial seizures involving the rolandic area of the brain and electroencephalographic centrotemporal sharp waves.
A refractive error characterized by the optics of the eye to focus a point object into a sharp focused image on the retina, has_symptom blurred vision.
A degeneration of macula and posterior pole that is characterized by a loss of vision in the center of the visual field (the macula) resulting from damage to the retina and resulting in blurring of the sharp central vision.