FRANKFURT, Germany — Corneal allogenic intrastromal ring segment implantation has more flattening effect on the cone when performed in corneas that have not previously undergone corneal cross-linking, according to a study.
“This is arguably due to the stiffening effect of prior CXL,” Burcu Yucekul, MD, said at the ESCRS winter meeting.
The retrospective study included 67 eyes with advanced keratoconus implanted with KeraNatural (VisionGift) sterile, decellularized allograft rings; 30 eyes had previously undergone the CXL procedure, and 37 eyes had not. All tomographic and