| Preoperative    diagnosis  | 
        Number of eyes | 
      
      
        | Fuchs dystrophy | 
        58 | 
      
      
        | Bollous    keratopathy | 
        28  | 
      
      
        | 
          - post cataract extraction        | 
        (21)  | 
      
      
        | 
         - post glaucoma surgery        | 
        (4)  | 
      
      
        | 
         - post pars plana vitrectomy        | 
        (3)  | 
      
      
        | PK failure  | 
        9  | 
      
      
        | Irido-corneal endothelial syndrome  | 
        3  | 
      
      
        | Posterior polymorphous dystrophy  | 
        2  |