Results from a small proof-of-concept study indicate that CRISPR gene editing is safe and can improve vision in some people with inherited blindness. In the multicenter clinical trial, 11 of the 14 individuals treated had measurable improvements on at least one key vision test, while six people experienced improvement on two or more vision outcomes.
— Read on hms.harvard.edu/news/gene-editing-improves-vision-some-people-inherited-blindness