@misc{indiciae8696995edf79,
  title = {Letter: A chart demonstrating variations in acuity with retinal position.},
  author = {S M Anstis},
  year = {1974},
  doi = {10.1016/0042-6989(74)90049-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/4419807/},
  note = {Source identifier: 4419807}
}