Melles GR, de Waard PW, Pameijer JH, Beekhuis WH: Staining the lens capsule with trypan blue for visualizing capsulorhexis in surgery of mature cataracts. Klin Monatsbl Augenheilkd 1999;215:342–344. 15. Norn MS: Per operative trypan blue vital staining of corneal endothelium: eight years’...