@misc{indiciae2f83c391a9b0,
  title = {Presbyopia as a human factor in industry.},
  author = {G C Hill},
  year = {1971},
  doi = {10.1097/00006324-197107000-00002},
  url = {https://pubmed.ncbi.nlm.nih.gov/5284211/},
  note = {Source identifier: 5284211}
}