Blueberries (Vaccinium angustifolium, Vaccinium corymbosum), belonging to the genus Vaccinium, are native to North America and East Asia and are among the oldest plants on earth. Blueberries are rich in nutrients such as anthocyanidin, flavonoids, vitamin A, vitamin C, potassium, and zinc. Owing to its nutritional profile, blueberries are recommended by the Food and Agriculture Organization as one of the five healthiest fruits and celebrated as the “Sapphire of North America”. Anthocyanidins, abundant in blueberries, are water-soluble plant pigments. These compounds are known for their revitalizing and brightening properties, which can help soothe feelings of eye dryness and fatigue. Consequently, blueberry extract is a widely used ingredient in supplements and products within the field of vision care and ocular health
