Doctors helped two men suffering from progressive blindness to help regain some of their vision with the help of an experimental gene therapy. After undergoing treatment to correct a faulty gene the men were able to read two to four more lines on an optician’s sight chart which was a significant improvement since the doctors treated them. One man got treated more than two years ago the Guardian reported. (Read: Can gene therapy restore our sense of smell?) Choroideremia is an X-linked disorder which means that it is caused by a faulty gene called CHM on the X chromosome. A genetically
