Description of The Unseen Minority: A Social History of Blindness in the United States: 19. Mobility, Key to Independence
In the 20th twentieth century, the need for personal mobility for those with impaired vision came increasingly into focus. Following World War I the dog guide movement burgeoned. From the beginning of the 1930s new techniques for cane travel also developed. Throughout the 1950s and 1960s there was rapid development in what is now called orientation and mobility (O&M) training.