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Optics
Optics is the branch of physics that studies the properties of light and light, optical instruments, the means for improvement of vision (optical lens), mirrors (geometric optics) and the wave nature of light (physical optics).
Goggles or glasses are the tool that puts the person in front of the eye in order to protect them or to provide a better user type. Consist of the lens and the frame that holds the lens / lenses in the face.
The lens is a piece of glass, plastic, or less frequently, other types of material that changes the appearance of objects when seen through them as light beam passing through the lens. Subjects then look larger or smaller than they are and can be in various forms.
