You may find it useful to refer to research on various topics that are relevant to LMA.
This is an excerpt about reading rates from 'A review of the literature into effective practice in teaching literacy through braille'.
VICTAR at the University of Birmingham has research reports on a wide range of issues relating to visual impairment and resources such as a freely downloadable Touch Typing tutor designed for pupils with visual impairment.
The RNIB website has a wealth of education research reports that that relate directly to LMA . It includes reports on Education Provision, Attainment, Accessibility, Braille, Early Years and Transition.
The RNIB Knowledge and Research Hub also has sections that include Reading and Braille Research and Technology research.
The Research section of the Scottish Sensory Centre website contains papers and publications relating to education and visual impairment.
It also has a Visual Impairment Education Resources Section that has notes, articles, activities and publications on a range of topics relevant to LMA including braille and tactile Communication, the use of Low Vision Aids, and Technology.
The SSC site includes a Braille and Tactile Communications section with useful summaries of presentations on key issues.