1. D. T. V. Pawluk, R. J. Adams, and Ryo Kitada, “Designing haptic assistive technology for individuals who are blind or visually impaired,” IEEE Trans. Haptics 8 (3), 258–278 (2015).
2. Visual Impairment and Blindness.
http://www.who.int/mediacentre/factsheets/fs282/en/
3. A. Iqbal, U. Farooq, H. Mahmood, and M.U. Asad, “A low cost artificial vision system for visually impaired people,” in 2009 Second International Conference on Computer and Electrical Engineering (2009), pp. 474–479.
4. L. Nahar, A. Jaafar, E. Ahamed, and A. B. M. A. Kaish, “Design of a Braille learning application for visually impaired students in Bangladesh,” Off. J. RESNA 27 (3), 172–182 (2015).
5. R. Gupta, P. K. Singh, and S. Bhanot, “Design and implementation of Arduino based refreshable Braille display controller,” Indian J. Sci. Technol. 9 (33), 1–6 (2016).