Here are some links to Vision Rehabilitation Therapist historical background:
Timeline of Visual Impairments by Carmen Willings offers a great review of vision rehab history starting with the first known school for blind students in Paris, through 2001.
History of Vision Rehabilitation Therapist Certification (CVRT) from the ACVREP Handbook
A History of Medicare Reimbursement for Vision Rehabilitation Professionals Part 1 from VisionServe Alliance
A History of Medicare Reimbursement for Vision Rehabilitation Professionals Part II from VisionServe Alliance
A Definition of Vision Rehabilitation Therapy by Dr. Lynne Luxton, VisionAware
From Home Teacher to Vision Rehabilitation Therapist: A Legacy by Lynda Jones CVRT