March 6, 2020 — The gene editing tool CRISPR has been used inside a person’s body for the first time, scientists report.

The patient had an inherited form of blindness and underwent the procedure in an attempt to restore vision, the Associated Press reported.

The DNA surgery was conducted at the Casey Eye Institute at Oregon Health & Science University in Portland, according to the companies that make the treatment. They didn’t provide details about the patient or say when the surgery occurred.

It could take up to a