@misc{indiciae1ab28d428379,
  title = {The IVEX refraction system: a clinical comparison.},
  author = {J R Roggenkamp and N L Richardson and J B Krebsbach and R L Yolton},
  year = {1985},
  url = {https://pubmed.ncbi.nlm.nih.gov/4020006/},
  note = {Source identifier: 4020006}
}