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

Bibliographische Detailangaben
1. Verfasser:	Sloan, Louise Littig 1898-
Format:	Buch
Sprache:	English
Veröffentlicht:	Baltimore Williams & Wilkins c1977.
Schlagworte:	Ophthalmic lenses. Reading devices for people with disabilities. People with visual disabilities.