EVALUATION AND DEVELOPMENT OF TECHNIQUES FOR TESTING VISUAL ACUITY OF TRAINABLE MENTALLY RETARDED CHILDREN.
D002648:Child; D004495:Education of Persons with Intellectual Disabilities; D006801:Humans; D019989:Persons with Intellectual Disabilities; D014787:Vision Tests; D014792:Visual Acuity
CHILD; EDUCATION OF MENTALLY RETARDED; VISION TESTS