@misc{indiciae5b5ef78feefd,
  title = {Refraction factor in IOL power calculation.},
  author = {T Olsen},
  year = {1990},
  doi = {10.1016/s0886-3350(13)80888-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/2299565/},
  note = {Source identifier: 2299565}
}