RT Journal Article SR Electronic T1 CHILDREN WITH DEFECTIVE VISION, IN NEED OR NOT OF SIGHT-SAVING CLASSES JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 486 OP 488 DO 10.1136/bjo.22.8.486 VO 22 IS 8 A1 R. A. Kaz YR 1938 UL http://bjo.bmj.com/content/22/8/486.abstract AB