@misc{indiciae862e87065bbb,
  title = {Methods of clinical cataract grading: two systems compared.},
  author = {J M Sparrow},
  year = {1990},
  doi = {10.1001/archopht.1990.01070110025006},
  url = {https://pubmed.ncbi.nlm.nih.gov/2400338/},
  note = {Source identifier: 2400338}
}