TY - RPRT TI - Screening for visual defects in preschoolchildren. AU - R M Ingram AU - W W Holland AU - C Walker AU - J M Wilson AU - P E Arnold AU - S Dally PY - 1986 DO - 10.1136/bjo.70.1.16 UR - https://pubmed.ncbi.nlm.nih.gov/3947595/ ID - 3947595 ER -