Methods and standards for screening preschool children.
D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D005128:Eye Diseases / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D014787:Vision Tests / Q000379:methods* / Q000592:standards; D014792:Visual Acuity