TY  - RPRT
TI  - Measuring visual acuity.
AU  - A M Mansour
AU  - J B Walsh
PY  - 1985
DO  - 10.1001/archopht.1985.01050090034018
UR  - https://pubmed.ncbi.nlm.nih.gov/4038116/
ID  - 4038116
ER  -