Why is it more accurate than ear temperature?

A major reason ear thermometers are considered inaccurate by medical professionals is because the positioning of the probe in the ear canal is inconsistent, thus creating inconsistent readings and frequently missing fevers. The temporal artery thermometer scans the forehead area for the temporal artery and it is almost impossible to miss the artery during a scan. Also, the person whose temperature is being taken does not like something inserted in their ear, making good positioning even more difficult. The gentle scan across the forehead is comfortable and not objectionable. The TemporalScanner has been proven more accurate than ear thermometers by a Harvard Medical School study. www.exergen.com