@misc{indiciae42f7f7ff3ee0,
  title = {Automated refractors-1983.},
  author = {D L Guyton},
  year = {1983},
  doi = {10.1016/s0161-6420(83)34441-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/6646636/},
  note = {Source identifier: 6646636}
}