Development of a near point acuity test card for preschool children.
D002675:Child, Preschool; D005069:Evaluation Studies as Topic; D005500:Follow-Up Studies; D006801:Humans; D008568:Memory; D012029:Refraction, Ocular; D014787:Vision Tests / Q000295:instrumentation*; D014792:Visual Acuity; D014796:Visual Perception