1.The proband exhibits congenital severe sensorineural hearing loss, heterochromia iridis and facial freckles.
其他家系成员除一名仅表现为先天性耳聋外, 均表现为颜面、上肢雀斑和/或早白发。
2.Objective To evaluate the effectiveness of frequency transpositional hearing aids on hearing and speech rehabilitation for children with profound hearing loss.
3.Objective To explore the effect of myringotomy with insertion of tube and tympanocentesis on alleviating secretory otitis media(SOM) and hearing loss in cleft palate infants.