Using augmented reality, UW–Madison researchers are developing an app to improve the safety and quality of life for older adults who want to “age in place.” The innovation, called the Augmented Reality Home Assessment Tool, or ARHAT, aims to provide a more affordable and community-based approach to home safety assessments.

The app is currently in a prototype phase and is being developed by a team including School of Human Ecology and Kinesiology professors. It is designed to take users through a step-by-step process to measure relevant parts of a living space and offer suggestions for making it more accessible.

The tool works by prompting the user to choose from a list of common functional limitations, such as visual impairment or poor balance. It then uses a LiDAR scanner, a technology built into modern iPhones and iPad Pros, to measure elements in the home. By superimposing visuals in the space, the app can instantly let the user know if an area presents an accessibility barrier.

Initially, the developers are targeting the tool for use by occupational therapists and similar professionals. However, they hope a future iteration, available through the Apple App Store, will be usable by virtually anyone, including older adults and their families. This could provide a significant time and cost saving for both individuals and health care agencies.

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