Many of the motor symptoms of Parkinson disease (PD) can be preceded, sometimes for
several years, by non-motor symptoms that include hyposmia, sleep disorders, depression …

Dry eye can be caused by a variety of iatrogenic interventions. The increasing number of
patients looking for eye care or cosmetic procedures involving the eyes, together with a …

Freezing of gait is a common and disabling symptom in patients with parkinsonism,
characterised by sudden and brief episodes of inability to produce effective forward …

A plethora of studies indicate that iron metabolism is dysregulated in Parkinson's disease
(PD). The literature reveals well-documented alterations consistent with established dogma …

Purpose: To detect the retinal microvascular impairment using optical coherence
tomography angiography (OCT-A) in patients with Parkinson's disease (PD) and find a …

Biological material is one of the most important aspects that allow for the correct diagnosis of
the disease, and tears are an interesting subject of research because of the simplicity of …

Despite decades of research, accurate diagnosis of Parkinson's disease remains a
challenge, and disease-modifying treatments are still lacking. Research into the early …

Patients with Parkinson's disease (PD) often compensate for their motor deficits by guiding
their movements visually. A wide range of ocular and visual disorders threatens the patients' …

Stability and mobility in functional motor activities depend on a precise regulation of phasic
and tonic muscular activity that is carried out automatically, without conscious awareness …

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