@misc{indiciae71bca56fdae7,
  title = {A hand-held keratometer.},
  author = {A K Lam},
  year = {1995},
  doi = {10.1016/0275-5408(95)90575-m},
  url = {https://pubmed.ncbi.nlm.nih.gov/7659423/},
  note = {Source identifier: 7659423}
}