You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is A 65-year-old person with B/L SN hearing loss with proportionate speech discrimination is suffering from: and explain in detail?
(b) Presbycusis(Ref. Cummings, 6th ed., 2331)Presbycusis, Noise induced hearing loss and ototoxic drugs all can lead to B/L SN hearing loss (mainly high frequency) with proportionate decrease in speech discrimination as all affect the cochlea. The speech discrimination/word recognition scores are far worse than would be predicted from that ear's pure tone findings in retrocochlear deafness (acoustic neuroma). Moreover acoustic neuroma is U/L.In the above question no history of noise exposure or ototoxic drug intake has been mentioned, ruling out acoustic trauma or ototoxicity. The age here is also suggesting Presbycusis.