①Visible light pollution. Visible light pollution is more common is glare. Such as automobile headlights for nighttime driving lighting. Visible light is more harmful to the strong flash of nuclear weapons explosions, it can make a few kilometers within the scope of human eye injury. Laser spectrum belongs to the visible part of the human eye has a greater role in injury.
② infrared pollution. Infrared is a kind of thermal radiation. Stronger infrared rays can cause skin damage. Different wavelengths of infrared light can produce different damage to the eyes.
3 ultraviolet pollution. Ultraviolet light on the human body is mainly damage to the cornea and skin. Corneal damage caused by ultraviolet light mainly for the wavelength of 2500-3050 ? part, of which 2880 ? the strongest role. UV damage to the skin is mainly caused by erythema and small blisters, severe epidermal necrosis and desquamation.