What is Micro Ear Surgery? Ear surgery, also known as otologic surgery, refers to surgeries performed to correct conditions that affect the structure and function of the ear. These procedures often involve the use of specialized microscopes and instruments to operate on the delicate structures of the ear. Common Ear Surgeries Tympanoplasty (eardrum repair) Stapedectomy (treatment for otosclerosis) Mastoidectomy (treatment for chronic ear infections) Cochlear implant surgery