David Huang, M.D., Ph.D. | Doheny Eye Institute, University of Southern California, Los Angeles, California Peter J. McDonnell, M.D. | Doheny Eye Institute, University of Southern California, Los Angeles, California
Appearance of the left eye post penetrating keratoplasty
Figures 3-4. The left photograph shows the histopathology of the corneal button with Hematoxylin and Eosin stain. This demonstrates clear spaces surrounding the keratocytes and in the stroma. Alcian blue stain is positive for mucopolysaccharide material within the stroma.