The user can wear comfortable eyeglasses with safe levels of optical density while wearing Laser Safety Glasses, which helps to lower or lessen potentially dangerous laser exposures to a level that is safe and below the maximum allowable exposure levels. The amount of energy that is reduced as it passes through the laser filter or glass is measured by optical density. The OD value and protection level increase in proportion to the energy reduction.
Typically, Laser Safety Glasses feature lenses that selectively absorb, enhance, or reflect specific light wavelengths. Their principal function is to guard against laser radiation harming the eyes' delicate photoreceptors. The eyes are shielded from hazardous laser radiation by laser safety goggles. Because of how vulnerable the human eye is to lasers, reflected laser beams can seriously harm the eye.
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