@misc{indiciaeb7e25134ccaf,
  title = {Optic disc changes in glaucoma.},
  author = {S S Hayreh},
  year = {1972},
  doi = {10.1136/bjo.56.3.175},
  url = {https://pubmed.ncbi.nlm.nih.gov/4624382/},
  note = {Source identifier: 4624382}
}