Patients with Parkinson's disease have a number of specific visual disturbances. These
include changes in colour vision and contrast sensitivity and difficulties with complex visual …

Parkinson disease (PD) is a progressive disorder characterized by dopaminergic
neurodegeneration in the brain. The development of parkinsonism is preceded by a long …

To explore the nature of the olfactory dysfunction associated with Parkinson's disease (PD),
81 PD patients who scored well on a cognitive screening test were administered the 40 …

Retinal imaging technology is rapidly advancing and can provide ever-increasing amounts
of information about the structure, function and molecular composition of retinal tissue in …

As a more complete picture of the clinical phenotype of Parkinson's disease emerges, non-
motor symptoms have become increasingly studied. Prominent among these non-motor …

Over the past decade, a surge of evidence has documented various pathological processes
in the retina of patients suffering from mild cognitive impairment, Alzheimer's disease (AD) …

Background: PD patients often have visual alterations, for example, loss of visual acuity,
contrast sensitivity or motion perception, and diminished electroretinogram responses. PD …

Dopamine and it metabolites dihydroxyphenylacetic acid and homovanillic acid were
measured in the retinas of eight patients with Parkinson's disease who died. They were …

Temporal discrimination thresholds (TDT) for recognition of paired sensory (tactile, auditory
and visual) stimuli given over a wide range of time intervals were assessed in 44 patients …

Background and Motivation: Diagnosis of Parkinson's disease (PD) is often based on
medical attention and clinical signs. It is subjective and does not have a good prognosis …