Fig. 3From: Determination of intensity and spread of light to the surrounding in conventional phototherapy and comparison with novel converging photo unit — an observational studyA Graphical representation of the spread of light intensity of both conventional phototherapy and photo unit. B Both at their designed heights, i.e. 18 inch and 9 inch, respectively. C Both at the height of 9 inch. D Both at the height of 18 inchBack to article page