Visual Function in Patients on Ethambutol Therapy for Tuberculosis. Visual Function in Patients on Ethambutol Therapy. a complete eye examination was performed, including measurement of Treatment of Tuberculosis in Low-Income Countries: Recommendations of the WHO and Guidelines from the IUATLD. To place the current guidelines in an international context it is necessary to have an understanding of the approaches to treatment of tuberculosis in high-incidence, low-income countries. Ethambutol is a chemically synthesised bacteriostatic antibiotic. It works against TB by obstructing the formation of the cell wall. Side effects: Ethambutol can cause retrobular neuritis (inflammation of the optic nerve) characterised by vision impairment. Patients experiencing visual symptoms should receive an eye exam. International guidelines on prevention and early detection of ethambutol-induced ocular toxicity have been published. Then, regular eye examination in indicated cases was Ocular toxicity Rx Side Effects: New Plaquenil Guidelines and More . Written By: By Miriam Karmel, Contributing Writer If you're looking for a comprehensive assessment of drug reactions that relate to the eye, Monthly ophthalmic exams are recommended for doses of ethambutol exceeding 15 mg/kg/day. Methods: : A prospective study was conducted on 20 eyes of 10 patients under ethambutol treatment. Visual acuity, visual field, color vision, dilated fundus examination, contrast sensitivity, optical coherence tomography (OCT), and pattern-visual evoked potential (VEP) were assessed. Is It Necessary to Screen Children for Ethambutol Toxicity? Existing guidelines in children and adults New recommendations for visual screening of children taking ethambutol Currently, many hospital eye departments in the UK are screening children for Detailed Ethambutol dosage information for adults and children. Includes dosages for Tuberculosis - Active, Mycobacterium avium-intracellulare - Treatment, Mycobacteri