The assessment of endothelial viability.
D002463:Cell Membrane Permeability; D004796:Clinical Enzyme Tests; D003315:Cornea / Q000166:cytology*; D016039:Corneal Transplantation; D046508:Culture Techniques; D004848:Epithelium / Q000502:physiology*; D006801:Humans; D008853:Microscopy; D008854:Microscopy, Electron; D008858:Microscopy, Phase-Contrast