John D. Gelles, OD, FIAO, FCLSA, FSLS, FBCLA

John D. Gelles, OD, FAAO, FIAOMC, FCLSA, FSLS, FBCLA, shares highlights from his Vision Expo West presentation: "Corneal diagnostics: A-Z."

John D. Gelles, OD, FAAO, FIAOMC, FCLSA, FSLS, FBCLA, discusses his presentation titled"Keratoconus 1, 2, 3: simple management," during Vision Expo West.

Most treated eyes remained stable 10 years after the initial treatment