Patent Blue V has been widely used in sentinel lymph node mapping. Patent Blue V is also a food coloring agent and an alternative dye for trypan blue (TB) in descemet membrane endothelial keratoplasty (DMEK)[1].
References:
[1]. Shin-Yi Chen, et al. Patent Blue V as an Alternative Stain for DMEK Grafts: Safety, Stain Retention, and Feasibility. Cornea. 2019 Oct;38(10):1322-1327.
















