الفهرس 
Nystagmus and ConvergenceOnly 14 pages are availabe for public view
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Abstract
Parkinson’s disease (PD) is a progressive neurodegenerative disease that causes motor and non-motor manifestations . Peripheral nervous system and visual system are involved and represented as nonmotor manifestations of Parkinson’s disease (PD). One form of peripheral nervous system disease is peripheral neuropathy .Clinical and neurophysiological evaluation is a useful method for analysis of peripheral nervous system and its function. Visual evoked potential (VEP) and optical coherence tomography(OCT) assessment is a useful method for analysis of visual system and its function. The present study was designed in order to study the clinical, laboratory and neurophysiological aspects of peripheral nerves and optic nerve dysfunction ,if any, in patients with idiopathic Parkinson’s disease.