Unless required for compelling therapeutic reasons, staff and students are advised not to wear contact lenses in laboratories. If contact lenses are required the staff member or student must inform his or her immediate supervisor and the Office of Occupational Health and Safety, Room 3259, Medical Sciences Building. In all areas in the Faculty of Medicine where staff and students are liable to eye injury, appropriate eye protection must be provided. In any area when handling any substance which may be injurious to your eyes because of its chemical, physical, biological, or radioactive nature. It depends on the type of work carried out.
Some protective devices offer little or no protection to the face.
Others may provide little protection to the eyes if chemicals are splashed onto the face and run down into the eyes. Full Face Shield . Limited impact resistance, good splash resistance. Can be worn over glasses or contact lenses. If this type of eye protection is used, especially in the wearing of contact lenses, the mono-goggles must be vapour tight when handling organics or other volatile chemicals to ensure an adequate barrier between the contact lenses and the chemical vapour.