@misc{indiciae676c593b1483,
  title = {Astigmatism control.},
  author = {Louis D Nichamin},
  year = {2006},
  doi = {10.1016/j.ohc.2006.07.004},
  url = {https://pubmed.ncbi.nlm.nih.gov/17067903/},
  note = {Source identifier: 17067903}
}