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What is According to the WHO definition of hearing loss, what is the value to classify as profound hearing loss? and explain in detail?
Ans: B. >81 dB(Ref: http://wwwwlio.intipbaideulne.ssilieuring_impairment_gracies/en/)According to the WHO (2008) definition of hearing loss, hearing threshold in better ear >81 dB is classified as profound hearing loss.WHO (2008) Classification of Degree of Hearing LossHearing threshold in better ear (average of 500, 1000, Grade of Impairment0-25No impairment26-40Milddeg impairment41-60Moderatedeg impairment61-80SevereQ impairment>81Profound impairment including