@misc{indiciaec9b55c2d2222,
  title = {Ray tracing error correction in ophthalmic optics.},
  author = {T Kashiwagi and P M Khu},
  year = {1991},
  doi = {10.1016/s0886-3350(13)80250-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/2040977/},
  note = {Source identifier: 2040977}
}