of the shell 20 to match the index of refraction of the glass or plastic shell 20 to that of the ambient air or surroundings 80 in accordance with another exemplary embodiment as shown in fig2 the light bulb 10 is a fluorescent bulb 100 which includes a tube 110 one or more substances 120 inside the tube 110 and wherein at least one of the one or more substances 120 fluoresces when properly excited for example the tube 110 can be partially evacuated and filled with a gas or material suitable for causing ultraviolet emissions in accordance with an exemplary embodiment the bulb 10 includes one or more substances 120 in the form of a phosphorescent material 130 lining the inside or inner surface 112 of the tube 110 that converts the fluorescent radiation or ultraviolet emissions into visible radiation or visible light in accordance with another exemplary embodiment an anti reflective coating 140 can be applied or placed on an outer surface 114 of the tube 110 the anti reflective coating 140 matches an index of refraction of an external atmosphere 150 with an index of refraction of the tube 110 and or tube material 111 the tube 110 is preferably made of glass however other suitable materials can be used in addition the tube 110.