Vitamin A deficiency is one of the most common causes of blindness in the world.
This vitamin is essential for maintaining your eyes’ light-sensing cells, also know as photoreceptors.
If you don’t consume enough vitamin A, you may experience night blindness, dry eyes, or even more serious conditions. Depending on the severity of your deficiency UFABET
Vitamin A is only found in animal-derived foods. The richest dietary sources include liver, egg yolks, and dairy products.
However, you can also get vitamin A from antioxidant plant compounds called provitamin A carotenoids. Found in high amounts in some fruits and vegetables.
Lutein and Zeaxanthin
Lutein and Zeaxanthin are yellow carotenoid antioxidants know as macular pigments.
They are concentrate in the macula, the central part of your retina. Which is a layer of light-sensitive cells on the back wall of your eyeball.
Lutein and Zeaxanthin function as a natural sunblock. They’re thought to play a central role in protecting your eyes against harmful blue light.
Controlled studies show that intake of lutein and Zeaxanthin is proportional to their levels in your retina.
One observational study in middle-aged and older adults noted. That consuming 6 mg of lutein and/or zeaxanthin per day significantly reduce the risk of AMD.