TY - RPRT TI - Simulating decreased visual acuity with a contact lens system. AU - A F Walonker AU - K R Diddie PY - 1981 DO - 10.1016/s0002-9394(14)75645-4 UR - https://pubmed.ncbi.nlm.nih.gov/7315939/ ID - 7315939 ER -