@misc{indiciae35087d313ab7,
  title = {Generating the Snellen Chart by computer.},
  author = {A T Johnson and C R Dooly and C R Simpson},
  year = {1998},
  doi = {10.1016/s0169-2607(98)00036-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/9822853/},
  note = {Source identifier: 9822853}
}