A research team at the University of Bath found that many of the free-hand control methods being developed for VR and AR, such as pinching, swiping, and pressing virtual buttons, pose significant accessibility issues for people with upper limb-related impairments, reports Tech Xplore. Their study involved participants living with conditions such as arthritis, carpal tunnel syndrome, or stroke-related movement limitations. These individuals reported that common gestures either caused pain, fatigue, or simply weren’t feasible.
One frequently used gesture, “pinch to select,” was found especially problematic because it depends heavily on the index finger, a joint commonly affected by arthritis. The researchers highlight that globally about 15% of people aged 30 and older experience osteoarthritis, and roughly 5% of the world population has carpal tunnel syndrome, so the issue isn’t niche.
The conclusion is clear: design teams are working with a narrow vision of a “typical” user. If accessibility isn’t built in from the start, future VR/AR systems risk being unusable by large segments of the population. The study suggests several strategies: allow gesture remapping for different physical abilities; amplify limited or small movements so they register as full commands; stabilize cursors to reduce unintended motion from tremors or limited fine motor control.
For engineers and designers working in the VR/AR space, this means rethinking interaction standards. Instead of assuming full dexterity, systems must adapt to varied anatomies and capabilities. Otherwise, the very technologies built to expand access, such as gaming, education, and rehabilitation, could end up excluding millions.