Healing the Ocular Surface

Learn how the cornea, tear film, eyelids, and ocular surface work together—and how identifying the underlying cause of surface damage can support healthier, more comfortable eyes.

The ocular surface includes the cornea, conjunctiva, tear film, eyelids, and the glands that help maintain a healthy tear film. These structures work together to keep the eyes comfortable, protected, and capable of producing clear and stable vision.

Ocular Surface Disease (OSD) occurs when this delicate system becomes inflamed, damaged, unstable, or unable to heal normally.

Dry eye disease is one form of ocular surface disease, but ocular surface disease encompasses much more than simply “not producing enough tears.”

Patients with ocular surface disease may experience burning, stinging, grittiness, foreign-body sensation, fluctuating or blurred vision, light sensitivity, redness, excessive tearing, discomfort, eye pain, contact-lens intolerance, recurrent corneal erosions, or slow-healing areas of the cornea.

The outermost layer of the cornea is composed of epithelial cells that create a smooth protective barrier. When these cells are damaged faster than the eye can repair them, the surface may develop superficial punctate keratitis, epithelial breakdown, recurrent erosions, or persistent epithelial defects.

Treatment therefore involves more than simply making the eye feel better. Our objective is to identify the underlying cause of the problem and create an environment in which the ocular surface can protect itself, control inflammation, restore its epithelial barrier, heal, and remain stable.

Our Healing Philosophy

Protect → Control Inflammation → Restore → Regenerate → Maintain

Protect: Shield the damaged ocular surface from additional injury.

Control: Reduce excessive inflammation that may interfere with healing.

Restore: Allow the epithelial surface to re-establish an intact protective barrier.

Regenerate: Support a healthier biological environment for ocular-surface recovery.

Maintain: Treat the underlying cause—including dry eye disease, meibomian gland dysfunction, Demodex, inflammation, exposure, neurotrophic disease, or other disorders—to help prevent recurrence.

Important Update: Dr. Bustamante's New Practice Location

Dear Valued Patient:

We would like to inform you that effective August 23, 2026, Dr. Edward Bustamante will no longer be with Medical Center Ophthalmology Associates.

Medical Center Ophthalmology Associates remains committed to providing exceptional eye care services to our patients. Patients who were under Dr. Bustamante’s care are welcome to transfer their care to Dr.Bustamante at his new private office at 1314 E. Sonterra Blvd #103 just 1.3 miles from the location at 109 Gallery Cir Ste 139, San Antonio, TX 78258.  Because of high demand to see Dr.Bustamante this new dry eye private practice is an appointment only type of practice and walk-ins will not be allowed.  Only 1 patient per appointment will be allowed into the clinic unless assistance is needed for elderly patients.

Your records will remain securely on file with Medical Center Ophthalmology Associates until you complete a formal records release authorizing transfer to Dr.Bustamante to ensure continuity of care and the protocols and procedures unique to Dr.Bustamante’s clincal style and specialized knowledge.