@misc{indiciaeb96ad1d4bd05,
  title = {The development and study of visual acuity.},
  author = {J van Hof-van Duin},
  year = {1989},
  doi = {10.1111/j.1469-8749.1989.tb04035.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2680692/},
  note = {Source identifier: 2680692}
}