valve of Hasner
valve of Has·ner
noun \-ˈhäs-nər\Definition of VALVE OF HASNER
Biographical Note for VALVE OF HASNER
Hasner, Joseph Ritter von Artha (1819–1892), Bohemian ophthalmologist. Hasner was a professor of ophthalmology at Prague. In 1850 he published a monograph on the physiology and pathology of the nasolacrimal duct in which he described a fold of mucous membrane that is now sometimes called the valve of Hasner.
