“…16 The effectiveness of phototherapy depend on the irradiance of the light generated by the light source using blue light. 17,18 The best distance to reduce levels of TSB is 10 cm with a decrease in total serum bilirubin levels of approximately 58 % compared with a distance of 30 cm with a decrease in total serum bilirubin levels of around 45 % and 50 cm with a decrease in total serum bilirubin levels of approximately 13 %. 6,19 American Academy of Pediatrics (AAP) recommends phototherapy with a distance of 10 cm except by using halogen light source.…”