KnowraKeratoconusLinked fromLinked fromThe 4 pages that link to Keratoconus, each with the reason it gives.All 4Broader topic 1Related 2Compared with 1CorneaBroader topic: Its distorted curvature causes irregular astigmatism and can impair vision.AstigmatismRelated: Its changing, irregular curvature can produce substantial astigmatism.Corneal transplantationRelated: Advanced cases with scarring or severe distortion may require transplantation.LASIKCompared with: This corneal instability can make LASIK unsafe or unsuitable.