Lacrimal History – Part 24: ‘Valve of Hasner’ Or Should it Be ‘Valve of Bianchi-Zinn’?
Mohammad Javed Ali
Abstract
The Eponym, ‘Valve of Hasner’, has been in use for more than a century and is attributed to Joseph Hasner (1819–1892), who described it in one of his monographs published in 1850.1,2 However, ophth...
Topics & Concepts
MedicineOphthalmologyNasolacrimal Duct Obstruction TreatmentsOphthalmology and Eye DisordersGlaucoma and retinal disorders