Partial penetrating keratoplasty

1. Corneal degeneration or malnutrition. 2. White spots of the cornea caused by various reasons. 3. Keratitis or ulcers that cannot be controlled by drugs due to infection (virus, bacteria, fungi, amoeba). 4. Corneal stroma is cloudy, congenital corneal opacity. 5. Keratoconus (degeneration period). 6. Corneal blood staining. 7. Severe corneal trauma, laceration, and chemical injuries. 8. Posterior elastic layer bulges, corneal fistula. 9. Decompensation of corneal endothelial function, corneal bullous lesions.