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Updated: Jun 12, 2026

Three Different Protocols of Corneal Collagen Crosslinking in Keratoconus: Conventional, Accelerated and Iontophoresis
Published on: November 12, 2015
Corneal crosslinking and visual rehabilitation in keratoconus in one session without epithelial debridement: new
Albert Daxer1, Haifa A Mahmoud, R S Venkateswaran
1Daxer Eye Center, Linz-Ybbs, Austria. daxer@gutsehen.at
Abstract:
A new surgical technique for the treatment of keratoconus is presented. This technique combines a new corneal crosslinking method with implantation of a flexible full-ring implant into a "closed" corneal pocket via a narrow incision tunnel in 1 surgical session. Riboflavin is not applied in the form of eyedrops onto a corneal surface after epithelial removal but is instilled into the corneal pocket without the need for epithelial debridement. A case of advanced keratoconus treated in this manner is presented. Uncorrected visual acuity increased by 7 lines from 0.05 to 0.25, and the average central K reading decreased by 11 diopters. The haze seen during the early postoperative period diminished in the first month after surgery.
