Preservatives in the glue can cause toxic conjunctivitis and conjunctival erosion—when the layer of cells on the surface of the cornea, called epithelium, loosens from the layer underneath.

[5] The use of gamma-irradiated cornea (VisionGraft ... graft in GDD surgeries has at least some role in preventing tube erosion, [6] but discussions of these issues are sparse.

Immune-mediated scarring of the corneal stroma leads to decreased vision. Current standard of care consists of antivirals and topical steroids. Immune mechanisms of HSK (erosion of immunoprivilege ...