Manual for the Stycar vision tests, including the new graded balls test
By: by Mary D. Sheridan.
Contributors: National Foundation for Educational Research in England and Wales.
Edition: Revised ed.
Publisher: National Foundation for Educational Research in England and Wales
Published: 1969
Place of publication: Slough
Language: eng
Number of pages: 24
Subjects: Vision -- Testing.; Pediatric ophthalmology.; Vision Tests -- in infancy & childhood.
Notes: Bibliography: p. 24.
Cover title.