Cornea Autofluorescence as measured by the Fluorotron has been found to correlate with certain eye pathologies.
Selected References:
Stolwijk TR, van Best JA. Corneal auto fluorescence by fluorophotometry as indicator of diabetic retinopathy. Invest Ophthalmol Vis Sci 32 (Suppl.):1067 (1991).
Stolwijk TR, van Best JA, Boot JP, Oosterhuis JA. Corneal autofluorescence in diabetic and penetrating keratoplasty patients as measured by fluorophotometry. Exp Eye Res 51:403-409 (1990). PubMed
van Schaik HJ, Coppens J, van den Berg TJ, van Best JA. Autofluorescence distribution along the corneal axis in diabetic and healthy humans. Exp Eye Res 69(5):505-10 (1999). PubMed