To protect against those hazards which continue to exist after all such control measures have been implemented, appropriate protective eyewear or facewear must be used. Any worker who may be exposed to eye or face injury from an operation or process conducted within a University of Toronto workplace. Eye and face injuries may be prevented by using the appropriate protective eyewear and facewear for the job. Appendix A outlines the recommended protectors to be worn when exposed to specific eye and face hazards. Safety glasses must comply with CSA Standard Z94.3-92 .
Safety glasses come in a variety of lens materials, shades and tints.
Lens materials include polycarbonate, plastic or glass, each of which varies in strength, impact resistance, scratch resistance and weight. It should be noted that current glass material lenses are unlikely to meet the impact requirements of CSA Standard Z94.3-92. Regular eyeglasses must not be used in place of protective eyewear. Safety goggles must be worn over regular eyeglasses to protect against potential eye hazards. Alternatively, prescription safety glasses may be used.