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In this undated photo provided by the Oregon Health & Science University on Wednesday, March 4, 2020, Dr. Andreas Lauer, right, prepares to perform the first-ever in vivo CRISPR gene edit procedure for the BRILLIANCE clinical trial at the school's Casey Eye Institute in Portland, on a patient who had an inherited form of blindness. It may take up to a month to see if it worked to restore vision. (Kristyna Wentz-Graff/OHSU via AP)

In this undated photo provided by the Oregon Health & Science University on Wednesday, March 4, 2020, Dr. Andreas Lauer, right, prepares to perform the first-ever in vivo CRISPR gene edit procedure for the BRILLIANCE clinical trial at the school's Casey Eye Institute in Portland, on a patient who had an inherited form of blindness. It may take up to a month to see if it worked to restore vision. (Kristyna Wentz-Graff/OHSU via AP)

March 4, 2020

Stories this photo appears in:

Doctors try 1st CRISPR editing in the body for blindness
March 4, 2020 11:48 a.m.

Doctors try 1st CRISPR editing in the body for blindness

Scientists say they have used the gene editing tool CRISPR inside someone's body for the first time, a new frontier for efforts to operate on DNA, the chemical code of life, to treat diseases.