Can. The ingredients in Blueberry Lutein Ester Tablets can help the eyes well against blue light and oxidization, and help to alleviate problems such as blurred vision. The main ingredients of blueberry lutein ester tablets are lutein lipid, blueberry powder, acerola cherry powder and glucose, which can replenish the body with nutrients and energy, and have the effect of promoting retinoid synthesis, antioxidant, and soothing the nerves of the eyes.