@misc{indiciaeb1e46f6388f6,
  title = {The astigmatic modulus and its age-dependence.},
  author = {H Saunders},
  year = {1984},
  doi = {10.1111/j.1475-1313.1984.tb00358.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/6472850/},
  note = {Source identifier: 6472850}
}