Final answer:
The most conspicuous clinical sign of acute conjunctival inflammation is redness and swelling of the conjunctiva, accompanied by a discharge. Bacterial conjunctivitis, also known as pinkeye, is a common cause of acute conjunctival inflammation.
Step-by-step explanation:
The most conspicuous clinical sign of acute conjunctival inflammation is redness and swelling of the conjunctiva. This can be accompanied by a discharge from the eye, such as pus or mucus.
Acute conjunctival inflammation can be caused by bacterial or viral infections, allergies, chemicals, or other irritants. Bacterial conjunctivitis, commonly known as pinkeye, is characterized by a purulent discharge.
For example, acute bacterial conjunctivitis causes swelling and redness in the conjunctiva, accompanied by a yellow, green, or white discharge. The conjunctiva also appears pink or red.