Understanding Pterygium and Its Causes
Pterygium is a common ocular surface condition characterized by a triangular growth of fleshy tissue extending from the conjunctiva toward the cornea, often affecting people exposed to harsh environmental conditions. Prolonged sunlight, dust, wind, and dry climates are major contributing factors, making outdoor workers and individuals living in tropical regions more susceptible. Over time, the growth can become more noticeable, leading to redness, irritation, and a persistent foreign body sensation in the eye. In advanced cases, vision may be affected when the tissue encroaches upon the visual axis, causing blurred sight or distortion. Although pterygium is not cancerous, its visible appearance and discomfort can significantly impact daily life and self-confidence. Awareness of early symptoms and protective measures such as wearing UV-blocking sunglasses, maintaining proper eye hygiene, and using lubricating eye drops can help slow its progression and reduce the risk of complicat...