Here's an article from the Irlen Institute Newsalert newsletter.
"Sensory processing deficits can be part of a composite of difficulties for those on the autism spectrum. Visual processing deficits, in particular, are experienced by many with ASD. There are many different side effects to living in a visually distorted world, including using inappropriate behaviors as coping strategies, poor social skills and language, and large and small motor difficulties. As these deficits become part of the definition of autism spectrum disorders and more parents become aware of these silent difficulties, treatments that address sensory and visual processing issues need to factor into parents’ and professionals’ goals. Minimizing sensory bombardment should be an essential intervention and part of the treatment program for many on the autism spectrum …" ( Helen L. Irlen, MA, BCPC, LMFT. Autism Science Digest: The Journal of AutismOne. Issue 04)