FANCL Bilberry Blueberry Supplement Anthocyanin Vision Improvement Support. Bilberry is a close cousin of blueberry, is a well-known ingredient for help improving and maintain good eyesight, especially good for people with daily long use of computer (screen), or require high concentration during working, like driving. No preservation, no artificial colouring agents, no synthetic flavourings, completely sealed packages. The product is made from hight quality natural ingredients and passed safety test for heavy metal contamination and agicultural chemical residues.