Enhancing Accessibility for People with Visual Impairment: Bridging the Gap in Touchscreen Technology

October 11, 2023

In the today’s world, touchscreens have become an inseparable part of our lives. They offer convenience, interactivity, and functionality across various devices, from smartphones and tablets to ATMs and kiosks. However, as technology advances, it is crucial to consider the impact on different user groups, especially those with disabilities. One such group that faces significant challenges with touchscreens is people with visual impairments. The absence of tactile feedback and reliance on visual elements often leads to frustration and exclusion for those with visual impairment

In this blog, we will explore the problems faced by individuals with visual impairments while using touchscreens and look into some innovative technologies that aim to bridge this accessibility gap. It's essential to consider how what we often take for granted can lead to negative experiences for various minority groups.

Touchscreens and the Challenges for People with Visual Impairments

Touchscreens are not inherently designed with accessibility in mind. Unlike physical buttons or keyboards that offer tactile feedback and audio cues, touchscreens often lack these features. Icons, menus, and gestures, integral to the touchscreen experience, can be inaccessible for individuals relying on screen readers or magnifiers.

Research shows that touchscreens are becoming increasingly ubiquitous, but their design fails to consider the needs of those with visual impairments (Butler et al., 2008, p. 135). This creates barriers and makes it difficult for people with visual impairments to perform essential tasks or access critical information independently.

Promising Technologies for Improving Touchscreen Accessibility

Thankfully, researchers and developers are actively working on technologies to enhance touchscreen accessibility for people with visual impairments. Here are some exciting examples:

Haptic Feedback: Haptic feedback involves using vibrations, forces, or motions to simulate the sense of touch. This technology can help individuals with visual impairments locate and identify elements on a touchscreen, such as buttons, sliders, or text fields. A research team from the University of Melbourne has created a prototype of a haptic touchscreen using electrostatic forces to create different textures and shapes on the screen surface (Butler et al., 2021, p. 1). Users can feel the contours and edges of elements with their fingers and receive audio cues during interactions. Testing with people with visual impairments revealed improved accuracy and efficiency in tasks like entering PINs or selecting options.
Spatial Audio: Spatial audio relies on sound to create a three-dimensional representation of the environment, helping people with visual impairments orient themselves and navigate a given space. For instance, a team from the University of Sydney developed a system that guides individuals with visual impairments through indoor environments using touchscreens and spatial audio (Sato et al., 2021, p. 1). The smartphone app generates audio cues that indicate the direction and distance of Bluetooth beacons placed in the environment, providing crucial information about surroundings like doors, walls, and furniture.
Tangible Interfaces: Tangible interfaces are physical objects that users can manipulate and sense to interact with digital information. These interfaces offer unique advantages in helping people with visual impairments access and control complex data, such as graphs, maps, or diagrams. An innovative system from the University of Queensland utilises tangible interfaces to aid visually impaired students in learning mathematics (Marriott et al., 2021, p. 1). The system consists of a tablet and tangible tokens representing numbers, operators, and variables. Placing the tokens on the tablet screen allows students to create and modify mathematical expressions, with audio feedback confirming their actions and reading out results.

Conclusion

The ever-present technology in our lives, particularly touchscreens, highlights the need for inclusivity and accessibility. While touchscreens have greatly enhanced the user experience for many, it is essential to acknowledge the challenges they pose for people with visual impairments. Developing technologies like haptic feedback, spatial audio, and tangible interfaces holds immense promise in improving touchscreen accessibility and a more inclusive environment for all users.

As we continue to embrace technological advancements, it is crucial to ensure that everyday conveniences do not exclude or frustrate groups of people. Being mindful of their needs is way for a more equitable and inclusive future.

References:

Butler M., Neave P., & Datta A. (2008). Object appreciation through haptic interaction: A case study in accessibility for museum exhibits. In Proceedings of ASCILITE 2008 - The Australasian Society for Computers in Learning in Tertiary Education (pp. 135-144). Melbourne: ASCILITE.
Butler M., Datta A., & Neave P. (2021). Haptic Touch Screens: A Novel Approach to Accessible Touch Screen Interfaces for Blind Users Using Electrostatic Friction. In Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems (pp. 1-13). New York: ACM.
Marriott K., Goncu C., Hurst J., & Jay T. (2021). Accessible Mathematics for Visually Impaired Students Using Tangible Interfaces. In Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems (pp. 1-14). New York: ACM.
Sato D., Cabrera D., & Ferguson S. (2021). Spatial Audio Guidance for Visually Impaired People Using Touch Screens. In Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems (pp. 1-13). New York: ACM.

Dr. Matthew Butler: Object appreciation through haptic interaction - ASCILITE

Dr. Daisuke Sato: Spatial Audio and Acoustics research - The University of Sydney

Dr. Kim Marriott: Kimbal Marriott — Monash University

< Older Post

Newer Post >

News & Insights

Check Our Latest Resources

Disability Awareness Hub: Understanding Prader–Willi Syndrome

May 8, 2026

Pathological Demand Avoidance, sometimes reframed as Persistent Drive for Autonomy, is a profile that many people within the autism community recognise. Although PDA is not a formal diagnosis in current diagnostic manuals, many clinicians and autistic individuals describe it as a meaningful way of understanding patterns of demand avoidance that stem from anxiety, uncertainty, and a strong need for autonomy. PDA is often misunderstood, which can lead to unhelpful assumptions or the belief that individuals are being deliberately oppositional. A neuroaffirming perspective helps us understand PDA as a valid part of neurodiversity. It shifts the focus away from control and compliance and towards emotional safety, autonomy, and collaboration. What Is PDA PDA describes an anxiety driven need to avoid everyday demands, even when the person wants to participate. These demands may feel overwhelming or threatening because they involve expectation, uncertainty, or a loss of control. Common characteristics described in the PDA profile include: A strong need to avoid demands, sometimes using strategies like humour, negotiation, distraction, or retreat A style of communication that may appear socially confident at first but does not always match deeper social understanding Rapid changes in mood, often linked to pressure or anxiety A comfort with imaginative play or adopting roles, which can help manage stressful situations These behaviours are not acts of defiance. They are protective responses from a nervous system that experiences demands as a source of intense stress. Is PDA a Diagnosis PDA is not recognised as an independent diagnosis in the DSM or ICD. Many professionals view it as a profile within autism, while others see it as a pattern that can appear in a range of neurodivergent presentations. There is ongoing debate, and research is still developing. Despite this, PDA is increasingly recognised in multidisciplinary autism assessments, particularly in the United Kingdom. Families and practitioners often find the PDA framework useful because it offers a way to understand demand avoidance compassionately and practically. Why Understanding PDA Matters People with PDA are often described as oppositional or non compliant, when in reality their behaviour reflects: high anxiety sensitivity to expectations a need for predictability a strong drive for autonomy and control When misunderstood, young people and adults with PDA may experience unnecessary conflict, shame, or burnout. A more informed perspective encourages compassion and supportive strategies instead of pressure or discipline. Neuroaffirming Approaches to Supporting PDA Supporting individuals with PDA is most effective when the focus is on reducing pressure, building trust, and supporting autonomy. Reduce Demands Where Possible Small changes can make a big difference. Indirect language, gentle invitations, choices, humour, and collaborative problem solving reduce pressure and help the person stay regulated. Traditional reward systems or consequences often increase anxiety and are less effective. Increase Autonomy A sense of control helps reduce distress. Offering choices, negotiating tasks, and allowing flexibility helps build cooperation and reduces overwhelm. Support Emotional Safety PDA is closely linked to anxiety and uncertainty. Predictable routines, sensory supports, clear expectations, and a calm supportive presence can help reduce stress. Connection and co regulation often pave the way for engagement. Work With Strengths Creativity, quick thinking, focused interests, humour, and imaginative play are often strong tools for learning and communication. Using these strengths helps build confidence and makes participation feel safe. A Neurodiversity Affirming Perspective Some clinicians and advocates argue that the term PDA can be pathologising, because it suggests something is wrong with a person’s natural need for autonomy. Alternative terms like Persistent Drive for Autonomy reflect a more respectful understanding of how the individual experiences the world. This perspective views PDA as a difference rather than a problem and focuses on approaches that prioritise dignity, safety, and empowerment. Summary PDA is a meaningful way to understand how some autistic and neurodivergent individuals respond to demands. It is not about refusing for the sake of it. It is about managing anxiety, protecting autonomy, and navigating a world that often feels unpredictable or overwhelming. Awareness and compassionate understanding help families, educators, support workers, and clinicians create environments where individuals with PDA can feel heard, respected, and supported to thrive. References PDA Society. Identification and Assessment of a PDA Profile. Gerlach, J. (2024). Five Things to Know About Pathological Demand Avoidance. Psychology Today. Naseef, R., Shore, S. (2025). Reframing Pathological Demand Avoidance. Autism Spectrum News. Science Insights (2026). What Is a PDA Diagnosis. AuDHD Psychiatry UK (2026). What Is PDA Autism. PDA North America (2025). Understanding and Supporting PDA.