Pierre Gougelman had the first glass eye factory in the United States in 1851. At first, the public thought artificial eyes actually gave their wearers new sight. If only glass eyes worked that way!

LASER stands for Light Amplification by Stimulated Emission of Radiation, and lasers are used for a wide range of purposes. The most common places where lasers are encountered are optical mice, ...

** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** Simply put, a laser sight enhances ...

A good laser sight offers fast, confident target acquisition for sporting and self-defense situations. Gun owners have hundreds to choose from, which is great — but can also be confusing. We’ve been ...

** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** Crimson Trace, well known for high ...

Eye injuries are of primary concern. The effect to the eye depends on various factors, including pupil size, pigmentation, laser pulse duration and repetition, and wavelength. Pierre Gougelman had the ...