@misc{indiciaef14cb849d561,
  title = {Difficult people with simple problems: asymmetric presbyopia.},
  author = {M L Rubin},
  doi = {10.1016/0039-6257(94)90149-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/8066545/},
  note = {Source identifier: 8066545}
}