Traditional Culture Encyclopedia - Photography major - Does light radiate to human body?

Does light radiate to human body?

Light, there are three explanations: the light of the lamp. Refers to the brilliance of Buddhism. Lighting of a stage or studio. Lighting can be roughly divided into highlights, spotlights, astigmatism, soft light, strong light, focused light and so on. Lighting function: goal: indoor lighting should make the room feel comfortable, warm, relaxed and safe besides lighting. Of course, the decorative function of lighting is also a good thing to show the residents' style-this point was shown too much in the last model room visited later. Avoid: excessive changes in light and shade or dark light to be avoided in lighting design will produce glare and make eyes very comfortable; Lack of light gives people a feeling of darkness, terror and gloom; The light is too strong, direct to the eyes, causing glare. Remarks: The sudden change of light and shade refers to the strong light of TV to darken the background, and the direct working light and background darken.

Light pollution: In light pollution, the eyes are the first to be injured, and the instantaneous strong light may even cause temporary blindness. Ordinary light pollution can also cause damage to the cornea and iris of human eyes. The incidence of cataracts can be as high as 45%, which will cause visual fatigue and decreased vision, make people dizzy, and even cause insomnia, loss of appetite, physical weakness and other similar neurasthenia symptoms. Color light pollution is a serious harm to human body. The intensity of ultraviolet rays produced by the black light commonly used in dance halls is much higher than that in sunlight, which is harmful to human body after long-term use. If the human body receives this radiation for a long time, it will induce nosebleeds, tooth loss, cataracts, and even cancer such as leukemia. Scientists' research shows that colored light pollution not only damages people's physiological function, but also affects people's mental health.