@misc{indiciae73ecf05a3eaa,
  title = {Changes in visual acuity in repeated measurement.},
  author = {E P Horne and D A Hines},
  year = {1969},
  doi = {10.1080/00221309.1969.9711275},
  url = {https://pubmed.ncbi.nlm.nih.gov/5779627/},
  note = {Source identifier: 5779627}
}