@misc{indiciae02e260f0d76d,
  title = {Visual acuity.},
  author = {M J Webb},
  year = {1981},
  doi = {10.1177/216507998102900708},
  url = {https://pubmed.ncbi.nlm.nih.gov/6911490/},
  note = {Source identifier: 6911490}
}