@misc{indiciae8c05b20be59b,
  title = {Reducing effective vertical prism in bifocals.},
  author = {M D Woodward},
  year = {1994},
  doi = {10.1097/00006324-199401000-00018},
  url = {https://pubmed.ncbi.nlm.nih.gov/8146004/},
  note = {Source identifier: 8146004}
}