PATIENT EDUCATION
HEARING LOSS - DEGREE
The table below shows one of the more commonly used classification systems (Source: Clark, J. G. (1981). Uses and abuses of hearing loss classification. Asha, 23, 493–500). The numbers are representative of the patient's hearing loss range in decibels (dB HL).
| Degree of hearing loss | Hearing loss range (dB HL) |
|---|---|
| Normal | –10 to 15 |
| Slight | 16 to 25 |
| Mild | 26 to 40 |
| Moderate | 41 to 55 |
| Moderately severe | 56 to 70 |
| Severe | 71 to 90 |
| Profound | 91+ |
