Goggles protect against impacts, sparks, chemical splashes, dust, and irritating mist. Wear full goggles, not just safety glasses, when working with chemicals. Eyecup welding goggles with filter lenses give protection from glare and sparks. A face shield is designed to protect the face from some splashes or projectiles, but does not eliminate exposure to vapors. A face shield should be worn with goggles or safety glasses.
Sunglasses are useful to prevent eyestrain from glare and to minimize ultraviolet light exposure.