Used as a therapeutic treatment for keratoconus and corneas that have become unstable or weak due to ectasia, Corneal Collagen Crosslinking with Riboflavin (CrossLinking) is a technique where the eye is flooded with a riboflavin solution and exposed to ultra high frequency light. CrossLinking causes the collagen fibrils to thicken, stiffen, and reattach to each other, making the cornea stronger and more stable. Detailed CrossLinking For Keratoconus Information