Reading aids for the partially sighted a systematic classification and procedure for prescribing

Detalles Bibliográficos
Autor Principal:	Sloan, Louise Littig 1898-
Formato:	Libro
Idioma:	English
Publicado:	Baltimore Williams & Wilkins c1977.
Subjects:	Ophthalmic lenses. Reading devices for people with disabilities. People with visual disabilities.