@misc{indiciaec2ebeea109a1,
  title = {A modified letter matching chart for testing young children's visual acuity.},
  author = {A Hedin and K G Nyman and B Derouet},
  doi = {10.3928/0191-3913-19800301-13},
  url = {https://pubmed.ncbi.nlm.nih.gov/7391898/},
  note = {Source identifier: 7391898}
}