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Beta-carotene --- keep your eyes healthy
Jan 07, 2019

Everyone wants to enjoy life with excellent vision, right? But besides having your eyeglasses precription and update your contact lens, is there anything we can do to keep our eyes healthy and maintain optimum vision?

According to nutrition research, an important key to healthy eyes and good vision may be getting enough beta-carotene in your diet. Carotenoids may help to protect your eyes from the damaging effects of blue light and reduce your risk of macular degeneration later in life.


How does beta-carotene work to keep eyes healthy?

The most sensitive part of the retina in the eye is called the macula. The macula has the highest concentration of photoreceptors in the retina, and it is the portion of the retina where our sharpest vision is produced. It helps us to improve the ability to perceive colors. These three dietary carotenoids — lutein, zeaxanthin and meso-zeaxanthin — form the pigment in the macula ("macular pigment") that protects the millions of photoreceptor cells located in this small region of the central retina. In particular, the antioxidant and anti-inflammatory properties of the macular pigment reduce oxidative stress on the retina caused by high-energy blue light, which is believed to contribute to the development of macular degeneration. Also, blue light has shorter wavelengths than other visible light, which scatter more easily in the eye, causing glare and reducing contrast sensitivity and visual acuity. The macular pigment selectively filters out image-degrading visible blue light for sharper vision. That's beta-carotene works on.

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