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Pterygium

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  • 1. PTERYGIUMMiss. AYESHA KAZMIOTC STUDENTLRBT SCHOOL OF OPHTHALMIC PARA MEDICINE
  • 2. 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.
  • 3. Definition Of Pterygium It is a fibro vascular, triangular and degenerative condition of conjunctiva.
  • 4. 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.
  • 5. 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.
  • 6. Symptoms Redness Irritation Dryness Tearing May cause decreased vision ( when it reaches the visual axis of cornea)
  • 7. Sign Visible triangular fold of conjunctiva. Triangular shape with the apex, or head, extending onto the cornea.
  • 8. Treatment1. Local: i. Lubricant eye drops. ii. Topical steroids for inflammation.2. Surgical: i. Surgical excision when the pterygium progressive towards the cornea.
  • 9. Precautions Use sun glasses. Protect from sunlight Use eye goggles when working. (laborers, welders) Wash eye with water after work in sunlight.
  • 10. Precautions

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