Is conjunctivitis (pink eye) transmitted through the air?

Acute hemorrhagic conjunctivitis is a common “red eye” condition that frequently occurs in spring and autumn. It is highly contagious and epidemic, with an extremely rapid onset. Symptoms are also very pronounced, and clinical manifestations may vary depending on individual constitution. So, is red eye disease transmitted through the air?

Is red eye disease transmitted through the air?
Red eye disease is not transmitted via airborne routes. Therefore, simply being in the same room as someone with red eye disease—without close contact—typically does not result in infection. In daily life, it is essential to cultivate good ocular hygiene habits. Once red eye disease develops, affected individuals should consciously isolate themselves and seek prompt medical evaluation at a hospital to assess disease severity. If necessary, conjunctival sac secretions may be collected for laboratory testing to identify the causative pathogenic microorganism, enabling timely and appropriate antimicrobial therapy.

Red eye disease—also known as epidemic keratoconjunctivitis—is a highly contagious ocular infection. The primary preventive measure upon diagnosis is strict isolation: remain in a secluded environment and avoid crowded public places. Tears and ocular secretions from infected individuals contain large quantities of pathogenic viruses, which can spread via tears, respiratory droplets, or via the hands of patients who have wiped their eyes. The main strategies for preventing red eye disease are isolation and minimizing contact with the surrounding environment or other people. Isolation may generally be lifted two weeks after symptom resolution, once tear samples show no detectable pathogens.

We recommend taking personal protective measures and avoiding contact with the ocular secretions of infected individuals to prevent transmission. We hope this information is helpful to you.