Lutein and zeaxanthin are the only two carotenoids found in the macula in the eyes. Macula is a small area in the centre of the ret!na at the back of the eye that is responsible for sharp, clear central vision and the ability to perceive colour. A healthy macular pigment should be rich in lutein and zeaxanthin. Lutein and Zeaxanthin are act as "internal sunglasses” to support macular and ret!nal health. The macular is particularly susceptible to harmful UV rays and blue light as well as free radical damage.Researchers found that diet rich in lutein may improve eye health and lower risk of developing cataract and Age-related macular degeneration (AMD).
As our bodies are unable to manufacture lutein, it is essential for us to maintain sufficient lutein levels through our daily diet or with a quality lutein supplement. Carrots, squash and other orange and yellow fruits and vegetables are good sources of lutein. Green leafy vegetables such as spinach also contain high amounts of lutein. However, lutein is easily lost during food processing, which makes it harder to get adequate lutein from food alone. So it is essential to supplement our diet with a good source of lutein to maintain eye health.