This study, titled: Effectiveness of immersive virtual reality on balance in people with Parkinson's disease. Is a randomized clinical trial conducted at Zaragoza Parkinson's Association in Spain. It aims to evaluate the effectiveness of a immersive virtual reality program in enhancing balance for patients with Parkinson.s disease (PD). PD is a neurodegenerative disease that has a major impact on patients' balance and gait, affecting their quality of life. Physical rehabilitation is crucial for maintaining and improving balance, and immersive virtual reality promises to be an alternative for improving outcomes in patients with PD.