@misc{indiciae47cf3e704c3f,
  title = {Progressive addition and variable focus lenses: a review.},
  author = {C M Sullivan and C W Fowler},
  year = {1988},
  doi = {10.1111/j.1475-1313.1988.tb01177.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/3075730/},
  note = {Source identifier: 3075730}
}