| Goggles and safety glasses are forms of | | | | |
| protective eyewear that usually enclose or | | | | Motorcycle riding and other open-air |
| protect the eye area in order to prevent | | | | activities: Prevents insects, dust, and so on |
| particulates or chemicals from striking the | | | | from hitting the eyes. |
| eyes. They are used in chemistry laboratories | | | | |
| and in woodworking. They are often used in | | | | Laboratory: Combines impact resistance with |
| snow sports as well, and in swimming. Goggles | | | | side shields to prevent chemical splashes |
| are often worn when using power tools such as | | | | reaching the eyes. May also include laser |
| drills or chainsaws to prevent flying | | | | protection. |
| particles from damaging the eyes. Many types | | | | |
| of goggles are available as prescription | | | | Racquetball: Protect the eyes from racquets |
| goggles for those with vision | | | | swinging in an enclosed area and from impact |
| problems.Goggles can also be worn as an | | | | from hard rubber ball. |
| accessorie or as a fashion statement. Willy | | | | |
| Wonka goggles are are good example. They have | | | | Snow sports: Protect the eyes from glare and |
| very large cirular lenses and are painted | | | | from icy particles flying up from the ground. |
| with different patterns and designs. | | | | |
| | | | |
| The Inuit carved goggles from caribou antler | | | | Meteorology: dark adaptor goggles are used |
| to help prevent snowblindness. The goggles | | | | before going outside at night, in order to |
| were curved to fit the user's face and had a | | | | help the eyes adapt to the dark. |
| large groove cut in the back to allow for the | | | | |
| nose. A long thin slit was cut through the | | | | Basketball: Several NBA players have worn |
| goggles to allow in a small amount of light. | | | | goggles during play, including Kareem |
| The goggles were held to the head by a cord | | | | Abdul-Jabbar, James Worthy, Horace Grant and |
| made of caribou sinew. | | | | Kurt Rambis; they prevent a fellow player |
| | | | from scratching or hitting the eyes when |
| Most modern cold-weather goggles have two | | | | trying to grab the basketball. |
| layers of lens to prevent the interior from | | | | |
| becoming "foggy." With only a single lens, | | | | A visor is a surface that protects the eyes, |
| the interior water vapor condenses onto the | | | | such as shading them from the sun or other |
| lens because the lens is colder than the | | | | bright light or protecting them from objects. |
| vapor. The reasoning behind dual layer lens | | | | Types of visors include:- |
| is that the inner lens will be warm while the | | | | |
| outer lens will be cold. As long as the | | | | A type of hat consisting only of a visor and |
| temperature of the inner lens is close to | | | | a way to fasten it to the head. |
| that of the interior water vapor, the vapor | | | | |
| should not condense. However, if water vapor | | | | The transparent or semi-transparent front |
| gets between the layers of the lens, | | | | part of a motorcycle crash helmet |
| condensation can occur between the lenses and | | | | |
| is almost impossible to get rid of; thus, | | | | Any such vertical surface on any hat or |
| properly constructed and maintained | | | | helmet. |
| dual-layer lenses should be air-tight to | | | | |
| prevent water vapor from getting in between | | | | Any such horizontal surface on any hat or |
| the lenses. | | | | helmet (called a peak in British English). |
| | | | |
| The requirements for goggles varies depending | | | | The part of a helmet in a suit of armor that |
| on the use. Some examples: | | | | protects the eyes. |
| | | | |
| Swimming: Must be watertight to prevent | | | | A device in an automobile that the driver or |
| water, such as salt water when swimming in | | | | front passenger can lower over part of the |
| the ocean, from irritating the eyes or | | | | windshield to block the sun. |
| blurring vision. Allows swimmers to see | | | | |
| clearly underwater. | | | | A shield to protect the eyes from sunlight on |
| | | | a flight helmet, or an American football |
| Power tools: Must be made of an unbreakable | | | | helmet. |
| material that prevents chunks of metal, wood, | | | | |
| plastic, concrete, and so on from hitting or | | | | Green eyeshades, formerly worn by accountants |
| piercing the eye. Usually has some sort of | | | | and others engaged in vision-intensive, |
| ventilation to prevent sweat from building up | | | | detail-oriented occupations |
| inside the goggles and fogging the surface. | | | | |