Introduction: This study involved a systematic literature review to document the sources behind publications and citations that comprise knowledge about rates of braille usage/literacy among people with visual impairments in the United States. Methods: Predefined search criteria were used to extract publications that potentially mentioned claims…

Persons with visual impairment have consistently shown a preference for one alternative reading format over another, often because of factors outside their control. This study adopted survey research design to investigate alternative format preferences among secondary school visually impaired students, focusing on Southwestern Nigeria. Using total…

To develop and test materials to be used in a later 2-year study to compare six approaches in teaching braille reading, materials in grade 1 and grade 2, braille, and phonemic braille media (both analytic and synthetic approaches), 39 subjects from six residential schools were evaluated. Special books were embossed in grade 1 and phonemic braille,…