@misc{indiciae5c6d5e6568ad,
  title = {A simplified cataract grading system.},
  author = {B Thylefors and L T Chylack and K Konyama and K Sasaki and R Sperduto and H R Taylor and S West and WHO Cataract Grading Group},
  year = {2002},
  doi = {10.1076/opep.9.2.83.1523},
  url = {https://pubmed.ncbi.nlm.nih.gov/11821974/},
  note = {Source identifier: 11821974}
}