Nutritionally speaking, carotenoids often act as antioxidants, which means they neutralize oxidative stress caused by ozone and oxygen free radicals. Oxidative stress is a destructive process which is a consequence of our bodies living in an oxygen rich environment. Oxygen is life’s necessity; however, it can also damage the body, organs and tissues.
It’s important to know all antioxidants are not created equal, in fact different antioxidants are proven to protect and concentrate in the very specific areas of the body. Carotenoids are among the few antioxidants that can cross the blood-retina barrier and concentrate in the eyes and brain. In fact, when you consume these carotenoids, your body will naturally assimilate them into the eyes due to the eye’s excellent bioavailability and antioxidant capacity.
Reduction of oxidative stress in the eyes help to preserve vision by protecting and preventing damage to: