Protective glasses are filters that change the intensity and spectrum of transmitted light. The most effective and common way to avoid radiation damage to eyes is to wear protective glasses. This kind of glasses can absorb some wavelengths of light and let other wavelengths of light pass through, so they all present a certain color, and the color presented is the color of transmitted light. One is absorption type, the other is reflection type, the former is used most. Goggles are a kind of glasses that can avoid the damage to eyes caused by radiation by changing the intensity and spectrum of transmitted light. This kind of glasses is divided into two categories, one is absorption type, the other is reflection type, the former is used most.
This kind of glasses can absorb some wavelengths of light and let other wavelengths of light pass through, so they all present a certain color, and the color presented is the color of transmitted light.