Links
[1] https://disorders.eyes.arizona.edu/disorders/keratoconus-1
[2] https://disorders.eyes.arizona.edu/disorders/keratoconus-2
[3] http://www.ncbi.nlm.nih.gov/omim/608932
[4] https://disorders.eyes.arizona.edu/disorders/keratoconus-3
[5] http://www.ncbi.nlm.nih.gov/omim/608586
[6] https://disorders.eyes.arizona.edu/references/identification-new-locus-isolated-familial-keratoconus-2p24