@misc{indiciae9f55da0b31fd,
  title = {An optimized visual field screening method.},
  author = {D B Henson},
  year = {1989},
  doi = {10.1016/0039-6257(89)90081-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/2749515/},
  note = {Source identifier: 2749515}
}