New Formula! GOOD FOR THE EYES. Numerous studies have been conducted to identify the pharmcological activities of anthocyanocides from Vaccinium myrtillus berries and to assess their clinical efficacy. Pharmacological studies have shown bilberries to be effective in increasing capillary resistance reducing abnormal vascular permeability and performing antioxidant activity at the vascular level. There is clinical evidence that the intake of bilberry extract is useful for the recovery of visual acuity and relief of eye fatigue symptoms in case of eye overuse. . STRIX® Bilberry Extract contains bilberry from Vaccinium myrtillus L. from the fruit and contains anthocyanosides which are a type of flavonoid with powerful antioxidant properties beneficial to the health of the eyes and the circulatory system.