@misc{indiciae5296d739bb9e,
  title = {Grid for scoring visual fields. I. Tangent screen.},
  author = {B Esterman},
  year = {1967},
  doi = {10.1001/archopht.1967.00980020782012},
  url = {https://pubmed.ncbi.nlm.nih.gov/6026187/},
  note = {Source identifier: 6026187}
}