@misc{indiciae264bb04b1783,
  title = {Standards for measuring visual acuity.},
  author = {P Lempert},
  year = {1988},
  doi = {10.1016/s0161-6420(88)33097-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/3211492/},
  note = {Source identifier: 3211492}
}