Vol. 1 No. 5 (2021)
Health Technology Reviews

Visual Examination Frequency for People Taking Ethambutol for Tuberculosis

Published May 21, 2021

Key Messages

  • CADTH identified 1 non-Canadian guideline that includes recommendations on the frequency of visual examinations for people with active tuberculosis who take ethambutol as part of their treatment. The guideline recommends testing for visual acuity and colour vision before starting treatment and at every health care visit throughout the course of treatment with ethambutol (recommendations based on clinical experience).