With the rise in screen time from smartphones, computers, and tablets, eye strain (also called digital eye strain or computer vision syndrome) has become a growing concern. In the nutraceutical industry, Lutein and Astaxanthin are two of the most discussed ingredients for combating eye fatigue and protecting vision health. For OEM buyers and supplement formulators, understanding the differences between these two carotenoids is crucial in developing an effective and market-ready eye health product.