@misc{indiciae98539ca320e1,
  title = {Measuring visual acuity.},
  author = {A M Mansour and J B Walsh},
  year = {1985},
  doi = {10.1001/archopht.1985.01050090034018},
  url = {https://pubmed.ncbi.nlm.nih.gov/4038116/},
  note = {Source identifier: 4038116}
}