Low vision is a sub-specialty which involves special testing for prescribing magnifiers and other optical (and non-optical) aids for people with permanently impaired vision. Dr. Wilson completed an externship in low vision in 1990 and has been providing low vision services for more than 20 years. He is a consulting optometrist for the Vermont Association for the Blind and Visually Impaired as well as the State of Vermont Division for the Blind and Visually Impaired.