The Effect of Eye Exercises on Motor Performance, Balance, and Fall Risk in Parkinson's Disease

Inclusion Criteria: * Aged 18 years and over * Clinically diagnosed idiopathic Parkinson's disease (Hoehn and Yahr stages 1-3) * Stable antiparkinsonian medication regimen for at least 1 month * Able to walk independently or with minimal assistance (cane/walker allowed) * Permission from their neurologist * Have decision-making capacity to enable them to give informed consent to take part in the study * Have access to a smart device (e.g., smartphone, laptop, or tablet) and internet access Exclusion Criteria: * Unstable cardiac status (angina, decompensated congestive heart failure, severe arrhythmias, etc.) * Active infection or acute medical illness * Hemodynamic instability * Severe cognitive impairment (Mini-Mental State Examination \< 24) * Unable to exercise (lower extremity amputation without prosthesis or severe musculoskeletal pain at rest/minimal activity) * Recent fall resulting in fracture or hospitalization (within 3 months) * Unstable PD treatment or changing (titrating) medication regime * Myocardial infarction or stroke within past 3 months * Severe visual impairment not correctable with glasses