Conjunctivitis: It is the inflammation of the conjunctiva, a thin mucous membrane lining the inner aspect of eyelids. It is also known as Pink eye. Etiology: All ages and all seasons especially autumn and spring. Bacterial Infections Viral Infections Chlamydia Infections Chemicals Chronic irritation Clinical Manifestations: ( REDBV) Unilateral or bilateral RED EYE . EYE IRRITATION . DISCHARGE from eyes: which may be watery, mucoid, mucopurulent or purulent. BURNING SENSATION . Blurred VISION, clears with blinking. Types: 1. Allergic Conjunctivitis: Due to allergic reactions. (poison, cosmetics, dust) Lacrimation (excessive tear flow), photophobia, redness, itching of eye, edema of eyelids, watery discharge are the clinical features. 2. Bacterial Conjunctivitis: Due to bacteria like Staphylococcus, Pneumonococcus, Pseudomonas species. 3. Viral Conjunctivitis: Caused by a wide variety of viruses. Like Adenovirus, Herpes simpl...