A pterygium is a wing-shaped growth of tissue that can creep from the white of the eye onto the cornea. Sun, wind, and dry coastal air along Malibu make it a familiar finding. When surgery is needed, surgeons often cover the bare area with a piece of the patient’s own conjunctiva. A randomized trial compared rotating that flap from below versus from above.
What the trial compared
Indexed as PMID 42780609 in the Journal of Ophthalmic and Vision Research, the study randomized patients having primary pterygium removal to an inferior rotational conjunctival flap or a superior rotational flap and tracked recurrence and other outcomes.
Takeaways from the published summary
- An inferior rotational conjunctival flap was a safe, effective option for primary pterygium.
- The approach may be especially useful when future glaucoma surgery could be needed, because superior conjunctiva is often preferred for glaucoma filtering procedures.
- As with most pterygium trials, careful follow-up for recurrence remains essential regardless of flap direction.
Individual published numbers should be reviewed with your surgeon; this educational summary sticks to the study’s stated clinical takeaway rather than inventing rates.
UV protection still comes first
Surgery treats the growth in front of you; sunlight habits protect the other eye and the surgical site. Wraparound sunglasses, hats, and lubricating drops on windy days reduce irritation that can encourage regrowth.
When to seek an exam
- A fleshy patch that grows onto the clear cornea
- Persistent redness, foreign-body sensation, or contact lens intolerance on that side
- Astigmatism that is changing as the tissue pulls on the cornea
- Cosmetic concern that is affecting confidence or outdoor work
Coastal habits that help either eye
Surfers, sailors, and drivers along PCH get chronic UV and wind exposure. Polarized wraparounds, a brimmed hat, and rinsing sand or salt promptly reduce surface inflammation that can accompany a pterygium. After surgery, the same habits protect the graft and the fellow eye.
Khanna Vision Institute evaluates pterygium and discusses surgical timing when vision or comfort is affected. For additional eye-health education, see pieineye.com.
Source: Comparison of Recurrence Rate and Outcomes of Pterygium Surgery with Inferior Versus Superior Rotational Conjunctival Flap: A Randomized Clinical Trial (Journal of Ophthalmic and Vision Research (PubMed PMID 42780609), 2026). This article is an educational summary written by Khanna Vision Institute and is not a substitute for medical advice.