Corneal Transplants

Corneal transplant surgery (keratoplasty) restores clarity to a cloudy or scarred cornea by replacing damaged tissue with a healthy donor graft. If you suffer from corneal disease or injury that blurs your vision – for example, advanced keratoconus or corneal dystrophies like Fuchs’ – a transplant can offer the hope of clear sight again. It is a common and highly successful procedure: roughly 40,000 corneal transplants are performed each year in the U.S., with studies showing long-term success rates around 95%.

At Vantage Eye Institute in Monterey and Salinas, our cornea specialists offer both traditional full-thickness transplants and modern partial-thickness techniques (like DSEK) to restore your vision using the least invasive approach possible. Below, we explain the two main corneal transplant options we focus on: penetrating keratoplasty (PK) and Descemet’s stripping endothelial keratoplasty (DSEK), including how they work, what to expect in recovery, and which conditions they treat.

Close-up of an eye with a digital overlay illustrating selective laser trabeculoplasty (SLT) treatment for glaucoma.

Corneal Transplant Options

Penetrating keratoplasty (PK) is a full-thickness corneal transplant, meaning the entire central cornea is replaced. During a PK procedure, our surgeon removes a small, button-shaped piece from the center of your cornea and stitches a matching donated corneal graft into that opening. The donor cornea – obtained from an eye bank – is carefully sutured with ultra-fine stitches that hold it in place while your eye heals. This tried-and-true technique is often necessary for widespread or full-depth corneal damage, such as deep scarring from infections or advanced keratoconus that involves most of the cornea’s layers. PK has a very high success rate over the long term, making it a reliable option for restoring vision in severe corneal disease

Descemet’s stripping endothelial keratoplasty, commonly called DSEK, is a newer, less invasive type of corneal transplant. Unlike PK, it is a partial-thickness transplant that replaces only the innermost layers of the cornea – specifically Descemet’s membrane and the endothelium (the thin cell layer that pumps fluid to keep the cornea clear). The rest of your cornea (about 95% of its thickness) is left intact. We use DSEK when the cornea’s superficial layers are healthy and only the endothelial layer is causing vision problems, such as in Fuchs’ endothelial dystrophy or corneal edema after cataract surgery. In these cases, transplanting a full cornea would be unnecessary; by replacing just the failed endothelial cells, we can remove the haze and swelling while preserving your eye’s normal structure.

Recovery, Risks, and Outlook for Corneal Transplant Patients

Both types of corneal transplants require ongoing care and patience during healing, but they offer life-changing improvements in vision for those suffering from corneal blindness. It’s important to understand the recovery timeline and potential risks:

Recovery Time

Full-thickness PK has the most prolonged recovery, and it may take a year or more for maximum vision to return as the stitches gradually dissolve and the cornea’s shape normalizes. DSEK heals much faster, with useful vision returning in weeks and stabilizing over a few months. In either case, vision is usually blurry initially and improves steadily over time. We will provide guidance on when you can return to work or drive, which for DSEK patients may be within a couple of weeks, whereas PK patients require a more extended adjustment period.

Medications and Follow-Up

After surgery, you will use prescription eye drops (typically antibiotics and corticosteroids) for an extended period to help your eye heal and to suppress any immune reaction. It’s crucial to attend all follow-up appointments, so our team can monitor the graft. We check that the cornea is clearing, measure your eye pressure (since steroid drops can raise pressure in some patients), and look for any early signs of problems. Stitches (for PK) may be selectively adjusted or removed over time to fine-tune your vision and reduce astigmatism. For DSEK, no sutures need to be removed, but we ensure the graft remains well-attached. We will also educate you on signs of graft rejection to watch for once you’re home.

Graft Rejection Risk

Corneal transplants are actually one of the most successful transplants in medicine, but rejection can occasionally occur. Signs of rejection include increasing hazy vision, redness, light sensitivity, and eye pain. Approximately 10–20% of patients may experience some form of immune rejection episode with a traditional graft. If rejection is caught early, prompt treatment with steroid medications can often reverse it and save the graft. Partial transplants like DSEK tend to have an even lower incidence of rejection than full transplants, because there is less foreign tissue for your immune system to target. Vantage doctors will ensure you understand how to use your drops properly and adequately skip doses.

Other Risks

Any eye surgery carries some risks, such as infection, bleeding, or elevated eye pressure. These complications are uncommon but possible. During your consultation, our corneal specialists will discuss the specific risks and benefits of the procedure in your case. Rest assured that corneal transplantation has a very high success rate overall, and complications are generally manageable. In the rare event that a graft fails or scars excessively, a repeat transplant (re-graft) can be performed to restore vision. We have helped many patients through second transplants successfully when needed.

Visual Outcome

The ultimate goal of a corneal transplant is to restore a clear window, allowing light to focus correctly in your eye once again. Most patients experience a dramatic improvement in vision and quality of life after the appropriate healing period. Colors become brighter and details sharper as the cloudy cornea is replaced with a transparent one. You may still need glasses or contact lenses to fine-tune your vision due to residual astigmatism or other factors. Still, many patients see significantly better than they did before surgery – often achieving driving vision or better with correction. In fact, with newer techniques, many patients can achieve 20/20 vision with proper eyewear after undergoing a corneal transplant. Our team will work with you on any additional vision rehabilitation (like fitting contact lenses or performing laser touch-ups on the cornea) once you are fully healed.