title: The visual system in Parkinson's disease.
mesh_terms: D000818:Animals; D002230:Carbidopa / Q000627:therapeutic use; D004359:Drug Therapy, Combination; D005074:Evoked Potentials, Visual / Q000187:drug effects; D000882:Haplorhini; D006801:Humans; D007980:Levodopa / Q000627:therapeutic use; D010300:Parkinson Disease / Q000175:diagnosis* / Q000188:drug therapy; D051381:Rats; D011930:Reaction Time / Q000187:drug effects; D014786:Vision Disorders / Q000175:diagnosis* / Q000188:drug therapy; D014787:Vision Tests; D014792:Visual Acuity / Q000187:drug effects
chemical_list: D007980:Levodopa; D002230:Carbidopa