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Pterygium is a wing-shaped growth of conjunctiva across the cornea driven by UV exposure and surface irritation. Limbal stem cell dysfunction weakens the barrier that normally prevents conjunctival encroachment. Surgery often includes techniques that restore or protect the limbal area. Prevention focuses on UV protection and surface health.
read more about Role Of Limbal Stem Cells ...Modern surgery uses conjunctival autografts placed at the limbus to rebuild the barrier. Fibrin glue and meticulous technique lower recurrence risk. Managing dryness and inflammation improves comfort. Follow-up watches for early signs of regrowth.
Persistent UV exposure and surface inflammation encourage regrowth. Incomplete barrier restoration at the limbus increases risk. Protective glasses and lubricants help after surgery. Regular checks catch early changes.
Healthy limbal cells maintain the boundary between conjunctiva and cornea. When compromised, conjunctival tissue can cross onto the cornea. Rebuilding the barrier is a surgical goal. Surface care supports long-term stability.
Autograft placement at the limbus and careful tissue handling are important. UV protection and lubrication reduce irritation. Addressing meibomian and tear film issues improves healing. Adherence to post-op care supports results.
Anti-inflammatory drops calm irritation after surgery. Adjuncts are selected cautiously to protect the surface. Your surgeon discusses benefits and risks. Plans are individualized to findings.
Pterygium is a fibrovascular growth of conjunctival tissue that extends onto the cornea. It is often associated with UV exposure, wind and dust.
Limbal stem cells regenerate the corneal epithelium, keeping it smooth and transparent. Without them, conjunctival tissue can invade the cornea, leading to cloudiness.
Stem cell therapy may be used after pterygium excision to restore limbal stem cell function and reduce recurrence. Conjunctival limbal autografts and amniotic membrane grafts are common techniques.