subject: Eye Health Nutrition [print this page] Bilberry has been used to improve eyesight for centuries. During World War II, British pilots enjoyed improved night vision from eating bilberry jam. Bilberry is rich in antioxidants. It can improve vision, protect your eyes from vision loss, and even help repair damage from certain conditions that cause vision loss. One way that bilberry protects the eyes is by strengthening the tiny capillaries that can cause vision loss when they fail.