Penetrating keratoplasty is one of the surgical procedures that ophthalmologists can use to replace a damaged cornea. It replaces the entire cornea, unlike other procedures, which only replace the back layer of the cornea. Here's what you need to know about this procedure.
How do corneas become damaged?
There are many ways that your corneas can become damaged. Injuries to your eyes, like scratches or abrasions, or infections such as keratitis can lead to scarring on your cornea.