Opal Sandy, a little girl born with genetic deafness, can now hear for the first time thanks to gene therapy designed to treat certain types of deafness.
![Scientist using computer in lab](https://hmhfyi.com/6-12/wp-content/uploads/sites/4/2024/05/fyi_g07c04-g09c06_genetic.jpg)
Opal Sandy, a little girl born with genetic deafness, can now hear for the first time thanks to gene therapy designed to treat certain types of deafness.