 It has also developed a variety of diagnostic tests, including the Hearing In Noise Test (HINT), the first hearing test that measures an individual's functional hearing ability in everyday environments where background noise is present, the ABaer screening device for detecting hearing loss in infants, and the Stacked ABR, a highly accurate screening device to detect the presence or absence of acoustic neuromas.The Institute shares its knowledge with the scientific and medical communities as well as the general public through its education and global hearing health programs.House Clinic physicians have volunteered their time to teach specialty courses in the House Ear Institute's professional education programs, attended by more than 22,000 doctors and research fellows since 1946 through the visiting physicians program.