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Blind Users

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lightbulbAbout this topic
Blind users refer to individuals who are unable to see or have significant visual impairments, affecting their ability to perceive visual information. This group often relies on alternative methods and technologies for accessing information and navigating environments, necessitating specialized design considerations in various fields, including technology, education, and accessibility.
lightbulbAbout this topic
Blind users refer to individuals who are unable to see or have significant visual impairments, affecting their ability to perceive visual information. This group often relies on alternative methods and technologies for accessing information and navigating environments, necessitating specialized design considerations in various fields, including technology, education, and accessibility.

Key research themes

1. How do blind users overcome accessibility barriers on social networking and web platforms for effective interaction?

This research area focuses on understanding the specific challenges blind users face when interacting with highly visual and dynamic online environments such as social networking services (SNSs) and web platforms. It emphasizes how blind users employ compensatory strategies and the design implications necessary to improve accessibility and usability, thereby promoting inclusive participation in digital social contexts.

Key finding: Through interviews and surveys of blind users with little to no vision, the study found that blind participants face profound accessibility barriers on SNSs, notably due to photos lacking sufficient text description. Blind... Read more
Key finding: This evaluation revealed that visually impaired users encounter difficulties particularly with navigation, image descriptions, and inconsistent accessibility between mobile and desktop interfaces on Facebook and Instagram.... Read more
Key finding: The paper highlights the persistent gap in web accessibility compliance, with over 60% websites failing accessibility tests, and discusses technological aids such as screen readers and talking browsers that assist blind... Read more

2. What adaptive interfaces, user interface models, and assistive technologies improve interaction for blind users on smartphones and large touch surfaces?

This theme explores the development, evaluation, and user-centered design of adaptive and accessible interfaces tailored to blind users’ needs on mobile devices, including smartphones and large touch surfaces. It addresses cognitive load, navigation complexity, non-visual input methods, and innovative tangible or multimodal interaction techniques to enhance usability and user experience.

Key finding: This study proposed and empirically evaluated an adaptive smartphone UI model enabling personalization of layouts, widgets, and controls for blind users, accommodating diverse abilities and contexts. The research demonstrated... Read more
Key finding: The user study with blind participants interacting with tabletop large touch surfaces revealed six fundamental exploration strategies, including one- and two-hand exploration techniques, that accommodate the absence of... Read more
Key finding: This longitudinal study analysed novice blind users' touch-typing on virtual keyboards over eight weeks, revealing that substitution errors are the most prevalent error type and have a significant impact on typing speed and... Read more
Key finding: This work developed and evaluated a smartphone application explicitly addressing organizational, presentation, and behavioral accessibility problems (OPB) for blind and visually impaired users. The study used ethnographic and... Read more
Key finding: This paper presents a comprehensive UI model integrating specific usability requirements for blind users—task adequacy, dimensional trade-off, behavior equivalence, semantic loss avoidance, and device-independency—across all... Read more

3. How do tactile and alternative sensory technologies support information access and spatial understanding for blind users?

The research theme investigates tactile graphics, tactile symbols, tangible interfaces, and multisensory assistive technologies that facilitate blind users’ access to spatial, map, museum, and educational content. It encompasses studies on 3D printed tactile symbols, adaptive tactile feedback systems, audio-description frameworks, and interactive multisensory museum exhibits, emphasizing design efficacy, user comprehension, and enhancing agency in accessing non-visual information.

Key finding: Conducted with 26 totally blind participants, the experimental comparison found that volumetric (3D) tactile symbols produced via 3D printing exhibit a similarly high level of recognition accuracy as low relief (2D) symbols... Read more
Key finding: TangibleGrid introduces a novel tangible interface allowing blind users to understand and create web page layouts through shape-changing brackets on a sensor-embedded baseboard, providing real-time haptic and audio feedback.... Read more
Key finding: Developed ten multisensory and interactive exhibition moments for a Portuguese history and science museum, integrating 3D layouts, high-fidelity tactile replicas, and a mobile navigation assistive app. The design was... Read more
Key finding: Through 20 interviews with blind and low vision users of visual description services (VDS), the study revealed skepticism toward AI-driven automatic obfuscation techniques aimed at privacy protection, due to concerns about... Read more
Key finding: This paper conceptualizes audio-description (AD) as a cultural, not solely accessibility, tool and offers a taxonomy categorizing AD types based on user-tool relationships. The historical overview traces AD’s evolution... Read more

All papers in Blind Users

Audio-description is a complementary narration to the audio of the audiovisual work that serves to describe the content, appearance, and plot of a scene for visually impaired people. It is a translation tool whose function is limited to... more
Interaction with large touch surfaces is still a relatively infant domain, particularly when looking at the accessibility solutions offered to blind users. Their smaller mobile counterparts are shipped with built-in accessibility... more
Building Accessible Custom UI Controls: A Comprehensive Guide for 508 Compliance addresses the critical need for developing inclusive web applications through customized user interface components. This technical article explores the... more
This paper describes the progress of a research project aimed at improving the usability of web search tools for blind users who interact via screen readers and voice synthesizers. In the first stage of research, specific guidelines were... more
Après plusieurs journées d'études appréhendant le catalogue d'exposition d'arts visuels comme un objet d'étude en soi (Paris 2023 et 2024, Bordeaux 2025), ce titre sous forme de question est volontairement provocateur. Il reprend en... more
The voice/tool database System is a web-based system connected to a relational backend database that stores voice files (.wav format) along with user demographic information. The database is used to test the ability of an examiner,... more
Software visualization has been almost exclusively tackled from the visual point of view; this means visualization occurs exclusively through the visual channel. This approach has its limitations. Considering previous work for blind... more
ABSTRACT This research project investigates how to inclusively design and curate a non-permanent de- sign exhibition in a large regional gallery (the National Centre for Craft and Design, UK), focusing on intel- lectual access for blind... more
Named for Gerhardus Mercator, a cartographer who devised a way of projecting the spherical Earth's surface onto a flat surface with straight-line bearings. The Mercator Projection is a mapping between a three-dimensional presentation and... more
This study casts a spotlight on the accessibility landscape of e-database resources for persons with disabilities in India. It’s well-known that in this information-driven digital era, E-database are immensely useful and beneficial for... more
HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or... more
In this article, we are interested in providing a framework to develop games for visually impaired or blind children. In this context, we propose a tool set to ease the creation of such games based on an actor metaphor. As the possible... more
The advent of the WWW has caused a dramatic evolution in getting the information. From the web, most of the people nowadays can get information easily from Internet from anywhere and anytime. These Web sites also become an important tool... more
The design of a user interface usable by blind people sets specific usability requirements that are unnecessary for sighted users. These requirements focus on task adequacy, dimensional trade-off, behaviour equivalence, semantic loss... more
Web access for users with disabilities is an important goal and challenging problem for web content developers and designers. This paper presents a comparison of different methods for finding accessibility problems affecting users who are... more
The aim of this paper is to determine whether certain volumetric tactile symbols (3D) have a level of tactile recognition similar to those of low relief (2D). This study evaluates a sample of 3D volumetric symbols produced by means of 3D... more
Recently, there has been an increased awareness in the general public, in government and in business that people with disabilities and older people have distinct needs and preferences that must be met in order for them to participate as... more
For the majority of blind people, walking in unknown places is a very difficult, or even impossible, task to perform, when without help. The adoption of the white cane is the main aid to a blind user's mobility. However, the major... more
NavTap is a navigational method that enables blind users to input text in a mobile device by reducing the associated cognitive load. In this paper, we present studies that go beyond a laboratorial setting, exploring the methods' ef... more
We present a new mobile text-entry method that relies on alphabet navigation and dismisses memorizing, offering visually impaired individuals an easy writing mechanism. Current mobile text-entry interfaces are not suitable for blind users... more
Motivation-To provide suitable mobile text-entry interfaces for the disabled, designed considering their capabilities and needs. Research approach-We analyzed 20 blind users and the difficulties they face with traditional text-entry... more
For the majority of blind people, walking in unknown places is a very difficult, or even impossible, task to perform, when without help. The adoption of the white cane is the main aid to a blind user's mobility. However, the major... more
Motivation-To understand the individual differences with the greatest impact on a blind user's mobile interaction effectiveness and learning abilities. Research approach-We performed a semi-structured interview to 10 specialized... more
NavTap is a navigational method that enables blind users to input text in a mobile device by reducing the associated cognitive load. In this paper, we present studies that go beyond a laboratorial setting, exploring the methods' ef... more
The emergence of touch-based mobile devices brought fresh and exciting possibilities. These came at the cost of a considerable number of novel challenges. They are particularly apparent with the blind population, as these devices lack... more
Motivation-Understand how NavTap, an assistive text-entry method, stands in relation to traditional approaches. Research approach-We performed a betweensubjects text-entry study with 12 blind users proficient with MultiTap and five blind... more
Abstract. Touch screen mobile devices are highly flexible and customizable, allowing designers to create inclusive user interfaces that are accessible to a broader user population. However, the knowledge to provide this new generation of... more
1—We present a new mobile text-entry method that relies on the Braille alphabet and dismisses memorizing, offering visually impaired individuals an easy writing mechanism. Current mobile text-entry interfaces are not suitable for blind... more
There is no such thing as an ultimate text-entry method. People are diverse and mobile touch typing takes place in many different places and scenarios. This translates to a wide and dynamic diversity of abilities. Conversely, different... more
Abstract. Touch-based mobile phones and tablets have started to be shipped with built-in accessibility features, fostering the inclusion of disabled people. Particularly, blind people can use these devices resorting to screen reading... more
Mobile devices play an important role on modern society. Their functionalities go beyond the basic communication, gathering a large set of productivity and leisure applications. The interaction with these devices is highly visually... more
In contrast to sighted students who acquire mathematical expressions (MEs) from their visual sources, blind students must keep MEs in their memory using the Tactile or Auditory Modality. In this work, we rigorously investigate the ability... more
We describe the development of a speech-driven user interface system, TalkMaths, which enables the dictation of mathematical expressions into electronic documents without the user needing extensive knowledge of any specialized markup... more
Programming today requires one to be able to code textually but it also requires a quite amount of visual design. Both of these have left blind people in very dicult position when talking about programming. There has been some eort in... more
Rafael Rodríguez Victoria (Universidad Autónoma Metropolitana) -Reflexiones en torno a un fragmento de Flores de filosofía. Códice evorense CXXI/ 2-19 Maria Belen Randazzo (Universidad Nacional del Sur) -"Fijo fuiste y padre serás, qual... more
Today wikis are becoming increasingly widespread, and offer great benefits in a variety of collaborative environments. Therefore, to be universally valuable, wiki systems should be easy to use for anyone, regardless of ability. This paper... more
The EU-supported TeDUB (Technical Drawings Understanding for the Blind) project is developing a software system that aims to make technical diagrams accessible to blind and visually impaired people. It consists of two separate modules:... more
The results from previous experiments using structured musical stimuli to communicate coordinate locations within a graphical grid, navigation of an auditory cursor and simple shapes are used as a basis for further exploratory research to... more
This dissertation investigates the discourse on video game accessibility specifically for individuals with visual impairments, distinct from other physical challenges. It highlights the ambiguity of the term "accessibility" in gaming,... more
n this paper, a reception study is conducted to explore how humor is handled in an audio-described film. A fragment from the Spanish film Pagafantas is selected and shown to two groups of participants: one composed of blind people, and... more
In this issue, two regular articles appear. First, Juan José Martínez Sierra examines how humour reception is affected when people with total blindness are exposed to a film through the intermediary of an audio description, by comparison... more
CONSTRUCCIÓN DE NUEVAS CIUDADANÍAS EN JUVENTUDES RURALES En El Salvador, el área rural ha sufrido diferentes transformaciones después de los acuerdos de paz y los diferentes procesos de modernización que se han impulsado desde los... more
This article introduces two new mobile touchscreen text entry techniques. One is timeout-based and the other is pressure-based. Also, this work examines the effects of tactile feedback on text entry techniques. Empirical comparisons... more
This paper presents a short review of the history surrounding the development of haptic feedback systems, from early manipulators and telerobots, used in the nuclear and subsea industries, to today's impressive desktop devices, used to... more
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