@misc{indiciae1bc5d12a850f,
  title = {The evolution of the broken ring visual acuity test figure.},
  author = {J S Pointer and G Gilmartin and J R Larke},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/7440874/},
  note = {Source identifier: 7440874}
}