Laser safety glasses are protective eyewear designed to reduce exposure to laser radiation. Unlike regular safety glasses, these lenses contain specialised filters that attenuate specific wavelengths of laser light.

Lasers are used in many professional settings including medical procedures, scientific research, manufacturing, and laboratory work. Because a laser beam concentrates energy into a narrow path, even brief exposure can potentially affect sensitive eye structures.

Protective lenses work by absorbing or filtering the wavelengths produced by the laser. Each filter is engineered to block particular wavelength ranges while still allowing visible light to pass through for practical vision.

Laser eyewear is rated using optical density values, which indicate how much laser energy is reduced by the lens. These ratings help users select protection appropriate for the laser system in operation.

Understanding how laser safety glasses function helps support safer environments where lasers are used.