Teaching about vision.
Contributors: National Society for the Prevention of Blindness.
Edition: 2d ed., rev. and expanded.
Publisher: National Society for the Prevention of Blindness]
Published: 1972
Place of publication: [New York
Language: eng
Number of pages: 71
Subjects: Eye -- Care and hygiene.; Vision.; Students -- Health and hygiene.
Notes: Cover title.

Bibliography: p. 67-70.