Pterygium
-
Upload
shyashii -
Category
Health & Medicine
-
view
2.119 -
download
1
Transcript of Pterygium
PTERYGIUM
Miss. AYESHA KAZMI OTC STUDENT LRBT 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.
Treatment
1. 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