1. Citron KM, Thomas GO. Ocular toxicity from ethambutol. Thorax. 1986;41:737–39.
2. Kumar A, Sandramouli S, Verma L, et al. Ocular ethambutol toxicity: is it reversible? J Clin Neuroophthalmol. 1993;13: 15–7.
3. World Health Organization: Guidelines for treatment of drug-susceptible tuberculosis and patient care 2017 UPDATE. Accessed August 22, 2022. Available from: https://apps.who.int/iris/bitstream/handle/10665/255052/9789241550000-eng.pdf
4. Kho RC, Al-Obailan M, Arnold AC. Bitemporal visual field defects in ethambutol-induced optic neuropathy. J Neuroophthalmol. 2011;31:121–6.
5. Centers for Disease Control. General considerations for treatment of TB disease. CDC, 2020. Accessed May 15, 2021. Available from: https://www.cdc.gov/tb/publications/factsheets/treatment/treatmenthivnegative.htm