Paradoxical response to ethambutol: Time to reconsider in term of vision

Tuberculosis is a widely prevalent disease in the Indian and African subcontinent. India is among the largest countries to implement the revised National Tuberculosis Control Program. Optic neuropathy is a severe and well-known complication of ethambutol treatment. If not detected early, it may lead to profound and irreversible vision loss. Here, we are reporting case series of optic neuropathy secondary to antitubercular therapy and to highlight possible consequences which can be alarming for the medical fraternity.