Your socks don’t match
Everyone has days where they show up to work wearing one black sock and one blue sock. But if you frequently have a hard time telling colors apart, especially when it used to be easy for you, that is a red flag. Becoming partially blind, color blind, or blind in one eye is one of the primary MS symptoms, says Clifford Segil, DO, a neurologist at Providence Saint John’s Health Center in Santa Monica, California. “It’s called optic neuritis and it happens because of a loss of insulation around the optic nerves in the brain,” he explains. Here are other surprising diseases your eye doctor could detect early.