Objectives: to understand the impact of environmental factors on the eye, and the optometrical management of environmentally produced ocular and visual problems. Brief Curriculum: optometrical aspects of occupational health and safety. Eye hazards, eye protection, ocular first-aid, ocular and visual factors in the workplace, visual ergonomics, visual standards, vision screening, lighting design, epidemiology of occupational eye disease. Handling of clinical and occupational data. Occupational health and safety law. Case studies: visual aspects of driving and aviation. The screen-based equipment user.