AGENCY MISSION: Since 1893, Helen Keller Services for the Blind's mission has been to help individuals of all ages who are blind or visually impaired, and who may have additional disabilities, develop independence and to participate actively in their communities. Headquartered in Brooklyn, the agency has additional rehabilitation sites in Hempstead and Huntington, Long Island and operates the Helen Keller National Center for Deaf-Blind Youths and Adults in Sands Point, New York.