Social media allow people to communicate, collaborate and socialize for personal and professional matters. However, their sight-centered design can present access and usability problems for the blind. Existing quantitative approaches to usability testing do not provide in-depth assessment of the problem. This paper presents a qualitative approach to test social media usability, and illustrates ...

How to design a blind signature based on the discrete logarithm for untraceability is still a field in need of cultivation. In this article, we shall propose a new blind signature based on the discrete logarithm problem.

OBJECTIVES To analyse the effect of women's characteristics on their willingness to join a blind or a non-blind subtrial or to be excluded by physicians. DESIGN Primary prevention trial of postmenopausal hormone therapy (HT). A 2×2, randomised design with a non-blind HT arm or control arm and a blind HT arm or placebo arm. SETTING 3 clinical centres in Estonia. METHODS Interest in joining...

Synchronized CUI and GUI are developed for the universal design tactile graphics production system BPLOT3. BPLOT is the first tactile graphics production system for the blind that enables the blind to produce tactile graphics by themselves. With the new synchronized CUI and GUI of BPLOT3, the blind and the sighted can collaboratively produce tactile graphics. Proofreading of tactile graphics by...