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The mantra of modern keratoconus management is: diagnose early, stop progression, rehabilitate vision.

There are a number of diagnostic instruments that are used to diagnose and monitor keratoconus. The corneal topographer is one such instrument and essentially it maps out the contours of the anterior corneal structure. I, as well as many others, was taught in school that corneal topography, aka videokeratography, is the gold standard for diagnosing keratoconus. There are a number of different corneal topography systems, each of which provides slightly different information about the cornea surface shape, but all the principles are the same. These instruments have come to exist due in part to the principals of the keratometer and the placido disk.

Placido Disk Keratoscope

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John Gelles
Dr. Gelles is the director of the specialty contact lens division at the Cornea and Laser Eye Institute-Hersh Vision Group and the CLEI Center for Keratoconus in Teaneck, New Jersey. Dr. Gelles’ clinical work is dedicated exclusively to specialty contact lenses and surgical co-management with focus on corneal disease (emphasis in keratoconus), ocular surface disease, and post-surgical corneal conditions. Dr. Gelles is also the Chief Emerging Technology Officer at EyeCareLive, where his work involves identifying and developing technologies to be incorporated into the companies eyecare specific telemedicine platforms, which are purpose-built by eyecare professionals for eyecare professionals to strengthen the doctor-patient relationship and improve clinical outcomes. He is a Fellow in the International Academy of Orthokeratology, a Fellow of the Contact Lens Society of America, and a Fellow of the Scleral Lens Education Society. He is a graduate of the Pennsylvania College of Optometry and is an adjunct clinical instructor for State University of New York College of Optometry and New England College of Optometry. Additionally, he is an optometric consultant, active in clinical research, and is involved in multiple academies, societies, and associations.

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