@misc{indiciae4dc9068b6369,
  title = {Self-made instruments for eye examination.},
  author = {K Maertens and M Matumona and N Bokanisa},
  year = {1989},
  doi = {10.1177/004947558901900317},
  url = {https://pubmed.ncbi.nlm.nih.gov/2773056/},
  note = {Source identifier: 2773056}
}