I. Review of Corneal Anatomy II. Anterior Segment Disorders Requiring Corneal Transplant A. Anterior Cornea 1. Keratoconus 2. Herpes simplex 3. Corneal stromal dystrophies 4. Stem cell failure 5. Corneal scars B. Posterior Cornea 1. Aphakic bullous keratopathy 2. Pseudophakic bullous keratopathy 3. Graft failure 4. Fuch’s dystrophy 5. Other endothelial dystrophies III. Penetrating Keratoplasty (PKP) A. Technique B. Advantages c. Disadvantage D. Clinical results IV. Anterior Keratoplasty A. Lamellar Keratoplasty 1. Technique 2. Advantages 3. Disadvantage 4. Clinical results B. Deep Lamellar Keratoplasty (DLK) 1. Technique 2. Advantages 3. Disadvantage 4. Clinical results V. Endothelial Keratoplasty (EK) A. Endothelial Lamellar Keratoplasty (ELK) B. Posterior Lamellar Keratoplasty (PLK) 1. Technique 2. Advantages 3. Disadvantage 4. Clinical results C. Deep Lamellar Endothelial Keratoplasty (DLEK) 1. Technique 2. Advantages 3. Disadvantage 4. Clinical results D. 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