H11.032

Clinical Causes: Prolonged exposure to ultraviolet (UV) light from the sun or other sources Chronic exposure to wind, dust, and environmental pollutants Genetic predisposition in some individuals Living in arid or dusty climates Prolonged irritation or inflammation of the conjunctiva

Key Symptoms: A visible, raised, wedge-shaped growth on the conjunctiva extending onto the cornea Redness and inflammation in the affected eye A sensation of dryness or grittiness Blurring of vision if the growth encroaches onto the central cornea A feeling of irritation or a foreign body sensation Cosmetic concerns due to noticeable eye changes

Diagnosis Path: Diagnosis typically involves a comprehensive eye examination by an eye care professional. The clinician will examine the eye using slit-lamp biomicroscopy to identify the characteristic pterygium growth. Digital imaging may assist in documenting the extent of the growth. In some cases, additional tests such as corneal topography or measurements of visual acuity may be conducted to assess any impact on vision or corneal health.

Treatment Protocols: Management options depend on the size, growth rate, and symptoms associated with the pterygium. They include: - **Observation:** Small, asymptomatic pterygia may be monitored regularly without immediate intervention. - **Medications:** Eye drops or ointments containing lubricants, anti-inflammatory agents, or drugs to reduce inflammation may help alleviate discomfort. - **Surgical removal:** For larger, progressing pterygia causing visual impairment or significant discomfort, surgical excision is considered. Surgery involves carefully removing the growth, often with conjunctival tissue grafting to reduce recurrence. - **Postoperative care:** Follow-up care may include anti-inflammatory eye drops to prevent inflammation and recurrence. Protective measures such as wearing sunglasses and avoiding excessive sun exposure are also recommended to prevent recurrence.