“…The degree of hearing impairment in the contralateral ear varied from mild to profound SNHL; including mild, 22 , 25 , 30 moderate, 3 , 20 , 22 , 25 , 26 moderate to severe, 3 , 22 , 25 severe, 3 , 4 , 8 , 20 , 24 , 26 - 28 and profound 6 , 7 , 21 , 25 , 29 degree of hearing loss. It has been suggested that hearing thresholds before vestibular schwannoma surgery could be regarded as an important factor to predict CoHL outcomes following tumor removal.…”