This technology can improve the eyesight of the visually impaired. Here’s how

Michael Kalberer gets a checkup at Massachusetts Eye and Ear.
A man gets a check-up to continue the effort to improve his visual impairment.Image: Mass Eye and Ear

17 Nov 2021

  1. Mark McCordWriter, Formative Content

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More evidence for the efficacy of a groundbreaking new gene-editing medical procedure has emerged, deepening hope it will provide one-shot treatments or even cures for cancer, sickle cell anaemia and other conditions.

Some people suffering from a rare severe visual disorder were able to see more clearly after being treated using the gene-editing technology known as CRISPR, according to reports.

For the first time, CRISPR gene-editing tools were injected directly into the human body, in this case to tackle the leber congenital amaurosis (LCA) condition that made it difficult for the volunteers to navigate their surroundings or see colours.

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