There has been a lot of talk in recent years about full spectrum light bulbs. These are light bulbs which cover the entire light wavelength from infrared to near-ultraviolet. Natural daylight is considered to be full spectrum light even though we can find adaptation in the sort of light reaching numerous parts of the earth. When the term is used to refer to light bulbs it is more of a selling label than a scientific term.
To be considered full spectrum light needs to register 90 or higher on the Color Rendering Index or 5000K on the Kelvin Color Temperature rating. Full range lights are often employed in scenarios where you need superior color rendering or do not have satisfactory access to natural light. Artists will quite regularly make use of full spectrum lighting so that their art will look the same in their studio as it will when hung in a studio. Paint stores will infrequently use full spectrum lighting to help with color matching if there is not enough natural sunlight available.
Full spectrum light bulbs are also thought to help with a variety of health issues. One reason people have for choosing full range light bulbs is help with evidence of Seasonal Affective Disorder. This is a depression many folks experience in the winter months when there is less access to natural sunlight. Many doctors have related that full spectrum light bulbs are a technique to help control your natural circadian cycles and help with Seasonal Affective Disorder.
Many companies have conducted studies in order to prove the effectiveness of full range light bulbs. To date there has not been any decisive proof that a full spectrum light bulb is any more effective at working with health worries than other types of light bulbs. There’s , however , heaps of apocryphal evidence of people who feel better when they use it.