@misc{indiciae26e91c47b1ec,
  title = {Worldwide accessible comprehensive visual field test and diagnosis system},
  author = {Clark, W. and Fink, A. A. and Sadun, J. B.},
  year = {2003},
  url = {https://ntrs.nasa.gov/citations/20060039906},
  note = {Source identifier: 20060039906}
}