TY  - RPRT
TI  - Generating the Snellen Chart by computer.
AU  - A T Johnson
AU  - C R Dooly
AU  - C R Simpson
PY  - 1998
DO  - 10.1016/s0169-2607(98)00036-4
UR  - https://pubmed.ncbi.nlm.nih.gov/9822853/
ID  - 9822853
ER  -