Evaluation of Correlation Between Oculometric Measures and Clinical Assessment in Parkinson's Disease

Inclusion Criteria: * Men and women with idiopathic PD (Hoehn \& Yahr scale 1-2) * Age between 40 and 85 years old * 0 to 5 years' time since diagnosis * Normal or corrected vision * Ability to follow instructions * Willing and able to sign an informed consent form * No anticipated changes in PD medications from baseline throughout the study duration based on clinical status during screening * If treated, stable on treatment for at least 3 months Exclusion Criteria: * Inability to sit for 40 minutes on a chair in a calm manner * Personal or 1st degree relative history of epilepsy * Additional neurological diseases * Drug or alcohol abuse (except for using medical cannabis during 24 hours prior NL examination date) * Pregnancy or a potential pregnancy (self-declaration)