This book presents recent advances in the field of Gerontechnology, with a particular focus on innovation and healthy aging. It explores a wide range of topics, including sensor technologies, machine vision systems, collaborative tools, industrial robotics, digital twins, and virtual and mixed reality. The chapters feature both theoretical research and experimental studies, emphasizing study design, simulation, and aging-related investigations. Based on the Eighth International Conference on Gerontechnology (IWOG'25), held on November 28, 2025, in Évora, this volume serves as a key reference for academics and professionals committed to promoting active and healthy aging, as well as innovative care solutions for individuals with chronic conditions and their caregivers.