Take a picture of the dog’s eyes are green because the animal’s eyes at night, not simply reflect the extremely weak visible light at night, but reflect the infrared light invisible to the human eye, and in the reflection of infrared light so that it occurs blue shift, into visible light. If not the dog through the muscles to the eye of the liquid crystal membrane pressure effect, so that the surface of the liquid crystal membrane with a certain amount of negative charge, so that a large number of liquid crystal molecules are maintained in a certain excited state or sub-stable state, so the dog at night after being photographed eyes will reflect the green light.
