TY - RPRT TI - Relationship between refractive error and visual acuity in the PERK study. AU - R A Applegate AU - D H Jones PY - 1987 DO - 10.1001/archopht.1987.01060110024010 UR - https://pubmed.ncbi.nlm.nih.gov/3675269/ ID - 3675269 ER -