@misc{indiciae91ef61ba9613,
  title = {[Discussion on logarithmic visual acuity chart and five grade notation].},
  author = {Wen-bin Luo and You-rong Luo},
  year = {2005},
  url = {https://pubmed.ncbi.nlm.nih.gov/15774105/},
  note = {Source identifier: 15774105}
}