Keeping eyes clean with hygienic measures will always prevent Madras Eye. Isolation or staying away from the affected persons is the most effective preventive step.
The treatment of conjunctivitis depends on what caused the condition. In all cases, warm compresses

Conjunctivitis is the inflammation of the conjunctiva, a thin, delicate membrane that covers the eyeball and lines the eyelid. It may be caused by a viral infection, such as a cold or acute respiratory infection, or by such diseases as measles, herpes simplex, or herpes zoster.
(Illustration by Electronic Illustrators Group.)
applied to the affected eye several times a day may help to reduce discomfort. Some treatment choices will be based on patient preference, convenience of use, and cost to the patient.
Conjunctivitis due to a viral infection, particularly those due to adenoviruses, are usually treated by applying warm compresses to the eye(s) and applying topical antibiotic ointments to prevent secondary bacterial ...more