AST Surgical Technologist Practice Exam 2026 - Free Surgical Tech Practice Questions and Study Guide

Question: 1 / 400

Which condition is characterized by a fleshy encroachment of conjunctiva onto the cornea?

Pterygium

Pterygium is a condition defined by the abnormal growth of conjunctival tissue that extends onto the cornea. It is often associated with prolonged exposure to UV light, dust, and wind, leading to a fleshy, wing-shaped encroachment onto the corneal surface. This growth can cause discomfort, irritation, and, in some cases, can affect vision if it progresses significantly.

Other conditions listed have distinct characteristics: a chalazion is a cyst due to blocked oil glands, a stye (or hordeolum) is an acute infection of the sebaceous glands, and a conjunctival cyst is a fluid-filled sac that occurs on the conjunctiva but does not invade the cornea. In contrast, pterygium is unique in its specific growth pattern and potential impact on the eye, making it the most fitting answer for the described condition.

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Chalazion

Stye

Conjunctival cyst

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