@misc{indiciaedc85c6054de6,
  title = {Task and visual performance with concentric bifocal contact lenses.},
  author = {J E Sheedy and M G Harris and M R Bronge and S M Joe and M A Mook},
  year = {1991},
  doi = {10.1097/00006324-199107000-00005},
  url = {https://pubmed.ncbi.nlm.nih.gov/1923325/},
  note = {Source identifier: 1923325}
}