Suggest Treatment For Hearing Loss In Both Ears

Dear doctor My wife had hearing loss 90 percent in right ear .& 65 percent in left ear from last three years using medium frequency hearing aid for left ear & no hearing aid for right ear But before 10 to 15 days ago left side hearing loss increased up to 90 percent & caused hearing loss Related to this problem we approach to our ENT specialist & also Audiologist they say this is case of sudden hearing loss & doctor gave medicine for 10 days & audiologist suggested superpower machine for both ears So can you suggest your best treatment to recover hear loss