Lasers for medical purposes; Light emitting diode (LED) devices for energy-efficient replacement of standard tungsten-filament lighting incorporated into hand-held medical instruments; Phototherapeutic apparatus for the treatment of jaundice; Light emitting devices, namely, lamps and LED devices for treatment of a variety of skin conditions; Light-based medical devices, namely, a light emitting diode (LED) device for increasing the human body's own production of collagen; Ultraviolet lamps fo...