<Li> Mixed hearing loss </Li> <P> There are defined degrees of hearing loss: </P> <Ul> <Li> Mild hearing loss - People with mild hearing loss have difficulties keeping up with conversations, especially in noisy surroundings . The most quiet sounds that people with mild hearing loss can hear with their better ear are between 25 and 40 dB HL . </Li> <Li> Moderate hearing loss - People with moderate hearing loss have difficulty keeping up with conversations when they are not using a hearing aid . On average, the most quiet sounds heard by people with moderate hearing loss with their better ear are between 40 and 70 dB HL . </Li> <Li> Severe hearing loss - People with severe hearing loss depend on powerful hearing aid . However, they often rely on lip - reading even when they are using hearing aids . The most quiet sounds heard by people with severe hearing loss with their better ear are between 70 and 95 dB HL . </Li> <Li> Profound hearing loss - People with profound hearing loss are very hard of hearing and they mostly rely on lip - reading and sign language . The most quiet sounds heard by people with profound hearing loss with their better ear are from 95 dB HL or more . </Li> </Ul> <Li> Mild hearing loss - People with mild hearing loss have difficulties keeping up with conversations, especially in noisy surroundings . The most quiet sounds that people with mild hearing loss can hear with their better ear are between 25 and 40 dB HL . </Li>

How does the sense of hearing impact perception