hand of a person with tremors due to parkinson`s disease

aging anxiety arthritis as astigmatism augmented blurry consultant corrective dementia desease diplopia disability disease disorder due geriatric hand health hospital hypermetropia illness lackofcoordination medicine miopia move movement ocular optics or paralysis parkinson parkinsonism parkinsons person physical point senile shake shaking showing sighted such system technology test treatment trembling tremors uncontrollable view