@misc{indiciaec707bb15a2de,
  title = {Servo-controlled infrared optometer.},
  author = {T N Cornsweet and H D Crane},
  year = {1970},
  doi = {10.1364/josa.60.000548},
  url = {https://pubmed.ncbi.nlm.nih.gov/5440853/},
  note = {Source identifier: 5440853}
}