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A visor (also spelled vizor) is a surface that protects the eyes, such as shading them from the sun or other bright light or protecting them from objects. Nowadays many visors are transparent, but before strong transparent substances such as polycarbonate were invented, visors were opaque like a mask .
A collection of full-face motorcycle helmets worn by Moto GP racer Valentino Rossi. A motorcycle helmet is a type of helmet used by motorcycle riders. Motorcycle helmets contribute to motorcycle safety by protecting the rider's head in the event of an impact. They reduce the risk of head injury by 69% and the risk of death by 42%.
A visor was an armored covering for the face often used in conjunction with Late Medieval war helmets such as the bascinet or sallet. [1] The visor usually consisted of a hinged piece of steel that contained openings for breathing and vision. Appropriately, breaths refers to the holes in the metal of the visor. [2]
The simplest form is a hard shell with reinforced padding, and a chinstrap and a hinge-up (usually polycarbonate) visor, as in this image. These riot protection helmet visors are usually curved sideways and straight up-and-down, not curved both ways like on the older type of motorcycle helmet. One accessory is a back-of-the-neck protector.
Full-face helmets offer much more protection than open-face helmets. [16] Several manufacturers have introduced full-face helmets with a flip-up front, combining the protection of a full-face with the ease of communication and donning or doffing that an open-face gives. [15]: 50 Studies have consistently shown that wearing a helmet: [17] [18]
The Integrated Helmet and Display Sight System (IHADSS) 30 mm M230 chain gun turret on a Boeing AH-64 Apache being aimed with a helmet-mounted sight A helmet-mounted display (HMD) is a headworn device that uses displays and optics to project imagery and/or symbology to the eyes.