@misc{indiciaedd9c3f6597ef,
  title = {Visual acuity for optotypes made visible by relative motion.},
  author = {D Regan and X H Hong},
  year = {1990},
  doi = {10.1097/00006324-199001000-00010},
  url = {https://pubmed.ncbi.nlm.nih.gov/2308752/},
  note = {Source identifier: 2308752}
}