title: Impairment of function of the extraocular muscles in Parkinson's disease.
mesh_terms: D000368:Aged; D004576:Electromyography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009119:Muscle Contraction; D009801:Oculomotor Muscles / Q000503:physiopathology*; D010300:Parkinson Disease / Q000503:physiopathology*