H11.04

Clinical Causes: Prolonged exposure to ultraviolet (UV) light from the sun Chronic irritation from dust, wind, or smoke Environmental factors that cause eye dryness and irritation Genetic predisposition in some cases History of exposure to harsh environmental conditions

Key Symptoms: A visible growth or pinguecula on the peripheral part of the cornea Mild redness or inflammation around the growth Sensation of dryness or grittiness in the eye Possible irritation or discomfort, especially with environmental exposure In some cases, no symptoms are present

Diagnosis Path: Diagnosis involves a comprehensive eye examination performed by an eye care professional. The clinician will examine the eye surface using slit-lamp biomicroscopy to evaluate the size, location, and characteristics of the pterygium. No specific laboratory tests are required for diagnosis, but the doctor may assess overall eye health to rule out other conditions. Visual acuity testing may be conducted to determine if the growth affects vision. If the growth shows signs of progression or complications, further imaging or biopsy might be considered, although this is rarely necessary for stationary pterygium.

Treatment Protocols: Management of peripheral pterygium typically depends on its size and the symptoms it causes. Since 'stationary' indicates stability, observation may be sufficient in many cases. Treatment options include: - **Environmental modifications:** Using sunglasses or protective eyewear to reduce UV exposure and prevent irritation. - **Lubricant eye drops:** To alleviate dryness and discomfort. - **Surgical intervention:** If the pterygium enlarges, causes significant discomfort, or threatens vision, surgical removal may be recommended. Post-operative care often involves the use of medications to prevent recurrence. - **Follow-up:** Regular eye exams to monitor the growth and manage any changes promptly. It is important to consult an eye care professional for personalized recommendations tailored to individual circumstances.