What does conjunctival exudate indicate?

Conjunctival exudate refers to the fluid that can accumulate in the conjunctival sac, which is the membrane that covers the white part of the eye and the inside of the eyelids. The presence of exudate, particularly if it is purulent (containing pus), typically indicates an infection, such as conjunctivitis. This condition is often a result of bacterial or viral pathogens, leading to an inflammatory reaction and the production of discharge that can be thick and green or yellow in color.

Normal eye discharge does not involve the presence of pus and is generally clear and minimal. Dry eyes usually present without any significant discharge, as this condition arises from insufficient tear production. Excessive tearing, while it can occur in response to various stimuli or irritation, does not necessarily imply infection or the presence of pus either. Thus, the indication of pus clearly aligns with a pathological condition, making the identification of conjunctival exudate as a sign of potential infection the most accurate interpretation.