Herbs of Gold Macu Guard with Bilberry 10 000 90t Description Macu-Guard with Bilberry 10 000 supports healthy eye function and helps protect the health of the eye macula. Macu-Guard with Bilberry 10 000 contains 10g of fresh Bilberry, standardised for antioxidant anthocyanosides, to help maintain eye health. Lutein and zeaxanthin are found in high concentrations in the macula (retina) of the eyes and help protect and maintain eye tissue. Lutein and zeaxanthin are antioxidants that help protect the eyes from free radical damage. Lutein and zeaxanthin support healthy vision and help maintain healthy eye macula. Lutein and zeaxanthin help the eyes tolerate glaring light and help with vision recovery after eye exposure to glaring light. Lutein and zeaxanthin help the eyes detect colour contrast. Electronic device screens, such as phones and computers, emit blue light. Lutein and zeaxanthin protect the eyes as they act as filters by absorbing high energy blue light. Lutein and zeaxanthin support eye health when using electronic screen devices such as phones and computers. Macu-Guard with Bilberry 10 000 helps eyes to adapt to variations in light intensity.