@misc{indiciae98354826a2f7,
  title = {Astigmatism analysis by the Alpins method.},
  author = {N Alpins},
  year = {2001},
  doi = {10.1016/s0886-3350(00)00798-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/11165856/},
  note = {Source identifier: 11165856}
}