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Bulgarian Review of Ophthalmology

Surgical management of pterygium verum-historical review, current approaches

V. Jeleva, L. Voynov, A. Kalaydzhiev


Pterygium verum, traditionally described as a degenerative disorder of the conjunctiva, is a common disease of the ocular surface. It is a wing-shaped fibrovascular proliferation of the bulbar conjunctiva, which encroaches onto the adjacent cornea in direction from the corneoscleral limbus to the center of the cornea and leads to destruction of the surface corneal layers. Pterygium, as the other sun-related eye diseases (the ophthalmohelioses), is considered to develop after a long and intensive insolation (in? uence of sun radiation, mainly UV-B lights) into ocular surface. According to current concepts, the main cause for the development of pterygium is the local deficiency of lmbal stem cells in the interpalpebral area. Although, there are a great variety of different techniques and methods for surgical treatment, nowadays the pterygium is still a surgical problem because of the high percent of the recurrences, probably as a result of the incompletely understood ethiopathogenesis of the disease and searching for the perfect surgical procedure without recurrences continues. The aim of this article is to summarize the surgical techniques and approaches in historical plan and to reveal the current concepts and methods for surgical treatment of pterygium.


Pterygium; limbal stem cells deficiency; conjunctival autograft; amniotic membrane transplantation

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About The Authors

V. Jeleva
Clinic of Ophthalmology, Military Medical Academy- Sofia

L. Voynov
Clinic of Ophthalmology, Military Medical Academy- Sofia

A. Kalaydzhiev
Clinic of Ophthalmology, Military Medical Academy- Sofia