<prompt> Conducting hearing loss with intact tympanic membrane -PresbycausisMenieres diseaseGlue earAcoustic neuroma  <response>: Ans. is c i.e., Glue earo Among the given options, only glue ear serous otitis media is a cause of conductive deafness.Causes of conductive deafnessCongenital causeso Meatal atresiao Fixation of stapes footplateo Fixation of malleus heado Ossicular discontinuityo Congenital cholesteatomaAcquired causeso External ear: Any obstruction in the ear canal, e.g. wax. foreign body, furuncle, acute inflammatory swelling, tumor, atresiao Middle ear : Perforation of tympanic menibranetraumatie or infective Fluid in middle ear ASOM, serous otitis media or haemotympanum Mass in middle ear tumors Disruption of ossicles Trauma, CSOM, cholesteatoma Fixation of ossicles otosclerosis, tympanosclerosis, adhesive otitis media Eustachian tube blockage retracted tympanic membrane, serous otitis media Congenital causes of SNHLo Treacher collin syndromeo Alports syndromeo Pendred syndromeo Crouzons diseaseo Bartter syndromeo Leopard syndromeo Refsum syndromeo Waardenburg syndromeo Fabry diseaseo Ushers syndromeHurlers syndromeo Klippel fed syndromeo Type 1 distal Renal tubular acidosiso Jervell lange Neilson syndromeo Biotinase deficiencyo Albinismo MELASo Trisomy 13,15,21o Michels aplasiao Mondinrs anomalyo Schibes and Alexanders anomalieso Uhls anomalyo Michels aplasiao Nail - patella syndromeo Alstrom syndromeo Brachio - oto - renal BORsyndromeo Cockaynes syndrome Acquired causes of SNHLo Infections of labyrintho Trauma to labyrinth or VIII nerve Head injury, surgery etco Noise induced hearing losso Ototoxic drugso Presbycusiso Menieres diseaseo Acoustic neuromao Sudden bearing losso Systemic disordersDM, Hypothyroidism, Renal disorderso Multiple sclerosiso Smoking Alcoholism 