Learning to write chemical formulas of compounds is a basic and indispensable part of understanding and studying chemistry. However, it is hard for students with visual impairment to assess and learn molecular arrangements and formulas. For the convenience of such students with special needs, it is necessary to come up with easy, comprehensive,…

Assistive technologies are frequently used to help disabled students to access core and expanded core curricula and to improve their functional, communication and literacy skills. Non-optical low vision devices and optical and tactile graphics technologies are some of the assistive technologies used by visually impaired students in today's…

Students with blindness or visual impairment face learning barriers in the typical higher education classroom where a great deal of information is conveyed visually. Instructors can use a variety of strategies to accommodate such students and make visually presented information accessible. One common and inexpensive strategy is the use of tactile…