With the aid of topical proparacaine (0.5%), topically instilled riboflavin can penetrate the cornea without removal of the epithelium ('Epi-on' procedure). UVA light is then focused on the cornea ...

Expert Rev Ophthalmol. 2012;7(1):33-44. Corneal CXL without epithelial debridement in rabbit eyes was found to reduce the biomechanical effect by approximately one-fifth as compared with that ...