What does this research mean for the field?

Physical prototype modifications, such as tactile panels and swing buttons, improve home appliance usability for individuals with visual impairments or spinal cord injuries, though tactile cues alone are insufficient without voice feedback. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate the usability and effectiveness of two prototype interface adaptations designed to improve home appliance accessibility for individuals with visual impairment or spinal cord injury.

September 5, 2026Proceedings of the Human Factors and Ergonomics Society Annual Meeting

Preliminary Prototype Designs for Home Appliance Accessibility

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Authors

JLJoong Hee Lee MYMyung Hwan YunSeoul National University WKWonjoon KimDongduk Women's University

Discussion

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Implication

Usability evaluation demonstrates enhanced tactile guidance and reduced unintended inputs in users with motor and visual impairments, highlighting the value of mainstream accessible design.

Key Points

To evaluate the usability and effectiveness of two prototype interface adaptations designed to improve home appliance accessibility for individuals with visual impairment or spinal cord injury.
Tested two functional prototypes: an engraved acrylic overlay with Braille markings for washing machine touch interfaces and a swing-style door button for microwave ovens.
Assessed prototype usability in 9 participants (5 with visual impairment and 4 with spinal cord injury) using a mixed-format questionnaire featuring Likert-scale and open-ended items.
Both prototype adaptations significantly enhanced tactile guidance, decreased accidental button activations, improved functional reach, and provided an unanticipated reduction in screen glare for wheelchair users.
Tactile cues alone were insufficient for visually impaired users to operate appliances independently, establishing a critical requirement for integrated voice feedback.

Cite This Study

Lee et al. (2026) studied this question.

synapsesocial.com/papers/6a9bd4346b95aff0620eba5c https://doi.org/10.1177/10711813261485893

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Implication

Usability evaluation demonstrates enhanced tactile guidance and reduced unintended inputs in users with motor and visual impairments, highlighting the value of mainstream accessible design.

Preliminary Prototype Designs for Home Appliance Accessibility

Discussion

Member takes

Implication

Key Points

Cite This Study

Preliminary Prototype Designs for Home Appliance Accessibility

Discussion

Member takes

Implication

Key Points

Cite This Study

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