@misc{indiciaeadd71e1c1b6a,
  title = {An illuminated grid for macular testing.},
  author = {D Miller and D W Lamberts and H D Perry},
  year = {1978},
  doi = {10.1001/archopht.1978.03910050503025},
  url = {https://pubmed.ncbi.nlm.nih.gov/350199/},
  note = {Source identifier: 350199}
}