The NFB- National Federation of The Blind is the oldest and largest organisation of blind people in the USA, boasting over 50,000 active members with affiliates in all 50 states plus the district of Columbia and Puerto Rico. A powerful advocative voice on behalf of the Blind and the visually impaired in the USA, anyone, blind or sighted, is permitted to join the NFB. However, a majority of members in its local chapters, state affiliates, and nationwide divisions must be blind