While sensorineural hearing loss is a common condition among the elderly population, hearing problems are very common among both adults and children. To correctly assess their condition and level of hearing loss, it is best to undergo online hearing tests that indicates the following.  Hearing loss degrees, in decibel, are: Moderate hearing loss: 41 to 55 dB.  Moderately severe hearing loss: 56 to 70 dB.  Severe hearing loss: 71 to 90 dB.  Profound hearing loss: 91+ dB.