Simple Eye Scan Tracks Progress of MS

A quick and simple new test can help monitor how fast multiple sclerosis is progressing in patients, researchers say. The eye scan measures the thickness of the retina, which has been linked to the progress of the nervous system disease, reports the BBC. The course of MS can be unpredictable and difficult to track even with brain scans, and while there is still no cure, experts say the eye scan could be a vital tool for measuring the effectiveness of therapies designed to slow the disease's progress. (More retina stories.)