@misc{indiciaecfd10120ff4f,
  title = {Clinical notes; a simplified astigmometer.},
  author = {J E LEBENSOHN},
  year = {1950},
  doi = {10.1001/archopht.1950.00910010920015},
  url = {https://pubmed.ncbi.nlm.nih.gov/15414090/},
  note = {Source identifier: 15414090}
}