What is the difference between blue and white light?
Blue light, in the range of about 425-475 nm has the best therapeutical effect. White light has a proportion of blue light in it. This means that white light not as beneficial as blue light (like used in the Medela phototherapy lamp or BiliBed) itself. Due to some disadvantages of blue light (blue light may mask skin colour changes of the patient, general discomfort to the caregivers) some phototherapy lamps are equipped with blue and white light tubes. We would like to give you some statements out of studies that were made on this subject. Why Use Homeopathic Doses of Phototherapy?, from M. Jeffrey Maisels, Dept. of Pediatrics, Royal Oak, MI USA First of all, the efficacy of phototherapy depends mainly on 3 factors: the spectrum of light, the power output of the light and the surface area of the infant exposed. Maisels states that: ” Because of the optical properties of bilirubin and skin, the most effective wavelengths are in the blue-green spectrum… “Special blue” fluorescent tube
