**Core Concept:** Phylenticular conjunctivitis is a condition characterized by inflammation of the conjunctiva in response to foreign bodies, such as pollen, dust, or other irritants. The correct treatment depends on the underlying cause of the inflammation.

**Why the Correct Answer is Right:** The correct answer is [D], topical steroids. In phylenticular conjunctivitis, steroids help reduce inflammation, alleviate symptoms, and hasten the healing process. They work by suppressing the inflammatory response, inhibiting the release of inflammatory mediators, and reducing vascular permeability.

**Why Each Wrong Option is Incorrect:**

A. **Option A: Antibiotics:** Although bacteria may play a role in some cases, antibiotics are not the primary treatment for phylenticular conjunctivitis, as they are not specific for the inflammatory component of the disease.

B. **Option B: Antihistamines:** Antihistamines are primarily used for allergic reactions, not phylenticular conjunctivitis, which is caused by foreign bodies and not primarily mediated by histamine.

C. **Option C: Cold compresses:** Cold compresses may provide symptomatic relief but are not a targeted treatment for the underlying inflammation and foreign body irritation.

**Clinical Pearl / High-Yield Fact:** Phylenticular conjunctivitis is a common presentation in clinical practice, particularly in pollen season. A thorough history and examination can help differentiate it from other types of conjunctivitis and facilitate appropriate management.

**Correct Answer:** .