A visor is a surface that protects the eyes, such as shading them from the sun or other bright light or protecting them from objects. Nowadays visors are transparent, but before strong transparent substances such as polycarbonate were invented, visors were opaque like a mask with small holes to see and breathe through, such as: The part of a helmet in a suit of armor that protects the eyes. Some modern devices called visors are similar, for example: Visor (ice hockey) Types of modern tranpar… (More on Visor)