pterygium

Pterygium is best described as:

• A cystic swelling on the eyelid

• A fleshy, triangular growth of the conjunctiva onto the cornea

• An inflammation of the sclera

• A bacterial infection of the conjunctiva

The most common cause of pterygium is:

• Viral infection

• Allergic reaction

• Prolonged UV light exposure

• Bacterial contamination

Which part of the eye is most commonly affected by pterygium?

• Temporal conjunctiva

• Nasal conjunctiva

• Sclera

• Retina

Which of the following is NOT a symptom of pterygium?

• Foreign body sensation

• Tearing and irritation

• Pain and purulent discharge

• Blurred vision (if large)

A risk factor for developing pterygium includes:

• Reading for long hours

• UV light

• Contact lens use

• Vitamin A supplementation

In early stages, treatment of pterygium primarily focuses on:

• Surgical removal

• Antibiotics

• lubricating eye drops

• Cryotherapy

Surgical removal of a pterygium is indicated when:

• Vision is affected or cornea invaded

• Cosmetic reason only

• Mild redness and irritation

• The patient requests it

Recurrence after pterygium excision is most likely if:

• Conjunctival autograft is used

• UV protection is used postoperatively

• Bare sclera technique is used

• The patient uses eye lubricants regularly

Which of the following interventions helps prevent recurrence after pterygium surgery?

• Continuous antibiotic therapy

• Wearing sunglasses and a hat outdoors

• Avoiding reading in dim light

• Frequent blinking exercises

Which age group is most likely to develop pterygium?

• Children below 10 years

• Adolescents

• Adults 20–50 years old

• Elderly over 80 years