@misc{indiciae600d6bdc7c14,
  title = {Visual acuity assessment.},
  author = {J R Weatherill},
  year = {1993},
  doi = {10.1038/eye.1993.6},
  url = {https://pubmed.ncbi.nlm.nih.gov/8325419/},
  note = {Source identifier: 8325419}
}