Summary: A new gene therapy has restored vision in patients with Leber congenital amaurosis type I (LCA1), a rare genetic condition causing blindness. In a small trial, those receiving the highest dose saw up to a 10,000-fold improvement in light sensitivity and significant gains in reading and navigation abilities.
The therapy, developed by researchers, uses a virus-based system to deliver a functioning gene into the retina’s light-sensitive cells. The results show promise for expanding this treatment, with further trials planned to confirm safety and efficacy.
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