title: Photorefraction. A technique for preschool visual screening.
authors: C S
authors: CS
authors: Hoyt
mesh_terms: D000550:Amblyopia / Q000150:complications; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008403:Mass Screening / Q000379:methods*; D014786:Vision Disorders / Q000175:diagnosis* / Q000209:etiology