In addition to hearing loss, these manifestations also include obvious language development delays, mental retardation, and communication disorders.Clinically, asymmetry is defined as a 15dB difference in average hearing threshold between binaural HL or greater than 20% difference in binaural speech recognition rateHearing loss.
2. One ear cannot locate the sound source. 3. Obvious hearing loss is shown in a noisy environment, and the target speech cannot be heard clearly when many people are talking.
3. Decline in academic performance and more emotional and communication barriers.
As mentioned earlier in this article, the author of the study also believes that although we still lack effective methods to treat and help children with single hearing loss, more importantly, we must be fully aware of the serious harm of single hearing loss. There are still key ears, ignoring single ear deafness.