VIP-Sim: A User-Centered Approach to Vision Impairment Simulation for Accessible Design
summary
VIP-Sim presents a participatory, symptom-based simulator built with N=7 vision-impaired collaborators using the Mono Witness Protocol and iterative GPU shaders. It overlays any desktop design tool on macOS and Windows, implements 21 adjustable symptoms and webcam-based eye tracking for gaze-dependent field loss, is open-source, and participants on average validate shaders 3–4 times. Most participants say simulations match their experience, but concerns remain about coverage of diverse VIP experiences and the risk of exclusion if used instead of real user involvement.
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chapters (9)
- 0:00Introduction and motivation
- 1:50Limitations of existing simulators
- 3:13User-centered development process
- 5:41Technical implementation and demo
- 6:23Practical example and tool integration
- 7:05Open-source release and features
- 7:25Ethical considerations and responsible use
- 8:50User feedback and future outlook
- 9:13Closing and Q&A
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