Phacodyne versus VisionBlue as vital dyes in Descemet membrane endothelial keratoplasty

Descemet membrane endothelial keratoplasty

“…While the use of trypan blue 0.06% is reported to be safe for corneal ECs in vitro (up to 0.4% concentrations immersed for 15 min),36 the safety of the concentrations and durations of staining used in vivo is relatively unknown 37. Newer dyes such as patent blue and methyl blue, approved for retinal membrane staining, may be safer in terms of corneal endothelial toxicity in vitro 36.…”