@misc{indiciae44ade094486e,
  title = {A forced-choice test improves clinical contrast sensitivity testing.},
  author = {Vaegan and B L Halliday},
  year = {1982},
  doi = {10.1136/bjo.66.8.477},
  url = {https://pubmed.ncbi.nlm.nih.gov/7104264/},
  note = {Source identifier: 7104264}
}