Abstract Background Patients with Parkinson's disease experience visual symptoms,
partially originating from retinal changes. Since 2011, multiple case-control studies using …

Alzheimer disease (AD) is a chronic neurodegenerative disease that accounts for 60–70%
of dementia and is the sixth leading cause of death in the United States. The pathogenesis …

Purpose: To characterize retinal capillary complexity by optical coherence tomography
angiography in Parkinson disease. Method: Twenty-five Parkinson disease patients and 25 …

Background and purpose Retinal pathological changes may precede or accompany the
deterioration of brain tissue in Parkinson's disease (PD). The purpose of this meta‐analysis …

Parkinson's disease (PD), the second most prevalent neurodegenerative disorder, manifests
with motor and non-motor symptoms associated with two main pathological hallmarks …

Background Retinal microvascular density has been studied in neurodegenerative
diseases, whereas patients with Parkinson's disease (PD) at different clinical stages have …

Optical coherence tomography (OCT) has been evaluated as a tool to assess retinal
changes in various neurodegenerative disorders. Parkinson's disease (PD), is a …

Background Parkinson's disease (PD) is a multifaceted neurodegenerative disease. The
optic nerve, as a window into the central nervous system (CNS), is known to be an important …

Objective Parkinson's disease is the second most common disease of the central nervous
system after Alzheimer's disease. Currently, no blood test or other laboratory tests are …

Purpose: To investigate retinal vascular characteristics using ultra-widefield (UWF) scanning
laser ophthalmoscopy in Parkinson disease (PD). Methods: Individuals with an expert …