up in front of the face while working. Hoods Hoods (or non-rigid helmets) come with impact-resistant windows usually made of plastic or similar material. An air-supply system may also be incorporated. Hoods are made of non-rigid material for use in confined spaces and of collapsible construction for convenience in carrying and storing. Face shields A face shield is a device used to protect wearer's entire face (or part of it) from hazards such as impact, splash, heat, or glare. With face shields, as with welding helmets and hand shields, the user is continually lifting and lowering the visor. To protect the eyes when the visor is lifted, spectacles should be worn underneath. Respirator face pieces A respirator is a device designed to protect the wearer from inhaling particulate matter, including airborne microorganisms, fumes, vapours and gases. Use screen filters Using special screen filters to the front of your device can reduce the amount of digital blue light emitted from your device. Now it is available on the market like – mobile screen protector, computer screen protector for reducing blue rays from electronic devices. Protection categories Flying objects Flying particles, dust, and wind Heat, sparks, and splash from molten materials Acid splash; chemical burns A large percentage of eye injuries are caused by direct contact with chemicals. These injuries often result from an inappropriate choice of personal protective equipment that allows a chemical substance to enter from around or under protective eye equipment. Serious and irreversible damage can occur when chemical substances contact the eyes in the form of splash, mists, vapors, or fumes. When working with or around chemicals, it is important to know the location of emergency eyewash stations and how to access them with restricted vision. When fitted and worn correctly, goggles protect your eyes from hazardous substances. A face shield may be required in areas where workers are exposed to severe chemical hazards. Personal protective equipment devices for chemical hazards: Safety goggles: Primary protectors intended to shield the eyes against liquid or chemical splash, irritating mists, vapors, and fumes. Face shields: Secondary protectors intended to protect the entire face against exposure to chemical hazards. Abrasive blasting materials Glare or stray light The human eye is sensitive to intense light because it damages the retina and can even blind the individual. There are many different types of eye protection against light suited for different applications. The most common