McCall and McLinden address the challenges to learning Braille for students with physical and intellectual disabilities and note that such children have often been excluded from research into Braille instruction.
Literacy and children who are blind and who have additional disabilities – the challenges for teachers and researchers
Journal of Disability, Development & Education, 48(4), 355-375
IDEA Disability Category:
major-other health impairment
specific learning disability
speech or language impairment
multiple formats of text and notation