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Pterygium
 

Pterygium

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    Pterygium Pterygium Presentation Transcript

    • PTERYGIUMMiss. AYESHA KAZMIOTC STUDENTLRBT SCHOOL OF OPHTHALMIC PARA MEDICINE
    • Definition Of Pterygium A pterygium is a fleshy growth that invades the cornea. It is an abnormal process in which the conjunctiva grows into the cornea.
    • Definition Of Pterygium It is a fibro vascular, triangular and degenerative condition of conjunctiva.
    • Types of Pterygium There are two types: 1. Progressive Pterygium: These types of pterygium are those which progress day by day. 2. Non Progressive Pterygium: Those which after limited growth has been occur than stop their generation.
    • Etiology The exact cause is not known. The probable causes are: i. Commonly occurs in people living in hot & dry climate. ii. Dusty atmosphere. iii. Common in outdoor workers. iv. Common in males. v. It may occur nasal than temporal side.
    • Symptoms Redness Irritation Dryness Tearing May cause decreased vision ( when it reaches the visual axis of cornea)
    • Sign Visible triangular fold of conjunctiva. Triangular shape with the apex, or head, extending onto the cornea.
    • Treatment1. Local: i. Lubricant eye drops. ii. Topical steroids for inflammation.2. Surgical: i. Surgical excision when the pterygium progressive towards the cornea.
    • Precautions Use sun glasses. Protect from sunlight Use eye goggles when working. (laborers, welders) Wash eye with water after work in sunlight.
    • Precautions