14 Things Your Eyes are Trying to Tell You About Your Health

Keep in mind however, that iridology practitioners are not legally required to be licensed or certified in the US or Canada, so if you decide to give it a try, I’d recommend you locate an iridologist who is also a licensed medical practitioner.

Natural, Common-Sense Strategies to Help Protect Healthy Vision

Before we get into specific nutritional factors that specifically benefit your eyes, it’s important to address some of the lifestyle basics that can impact your vision. Natural, common-sense strategies that will help protect your vision as you age include:

  1. Quit smoking. Smoking increases free radical production throughout your body, and puts you at risk for less-than-optimal health in many ways, including the risk of decreased vision.
  2. Care for your cardiovascular system. High blood pressure can cause damage to the miniscule blood vessels on your retina, obstructing free blood flow. One of the primary ways to maintain optimal blood pressure is to avoid fructose. Research by Dr. Richard Johnson, chief of the division of kidney disease and hypertension at the University of Colorado, shows that consuming 74 grams or more per day of fructose (equal to 2.5 sugary drinks) increases your risk of having blood pressure levels of 160/100 mmHg by 77 percent! (5)
  3. Normalize your blood sugar. Excessive sugar in your blood can pull fluid from the lens of your eye, affecting your ability to focus. And, it can damage the blood vessels in your retina, also obstructing blood flow.


  1. Eat plenty of fresh dark green leafy vegetables, especially kale. Studies have shown that a diet rich in dark leafy greens  helps support eye health. And that those with the highest consumption of carotenoid-rich vegetables, especially ones rich in lutein and zeaxanthin, had increased vision health.
  2. Get plenty of healthy omega-3 fat. A study published in the August 2001 issue of Archives of Ophthalmology found that consuming omega-3 fatty acids was protective of your healthy vision. Unfortunately, due to widespread pollution and fish farming, fish is no longer an ideal source for omega-3 fats unless you can verify its purity. My favorite alternative is krill oil, which also contains astaxanthin. This potent antioxidant also has specific benefits for your eyes, which I’ll discuss below. (6)
  3. Avoid trans fats. A diet high in trans fat appears to contribute to macular degeneration by interfering with omega-3 fats in your body. Trans fat is found in many processed foods and baked goods, including margarine, shortening, fried foods like French fries, fried chicken and doughnuts, cookies, pastries and crackers. So, to protect your eyes, avoid trans fats like the plague.
  4. Avoid aspartame. Vision problems is one of the many acute symptoms of aspartame poisoning.

Antioxidants—Your Greatest Allies for Healthy Eyes

The job of an antioxidant compound is to neutralize dangerous free radicals in your body, including your eyes. A few of the antioxidants that have been shown to be of particular benefit to your eyes include:

  • Lutein
  • Zeaxanthin
  • Black currant anthocyanins
  • Astaxanthin

Here, I will discuss lutein and astaxanthin in particular as they are potent allies in the prevention of eye problems. (7)

Lutein Helps Protect Your Central Vision

The first two, lutein and zeaxanthin, are found in high concentrations in the macula lutea, and are believed to serve two primary roles:

  1. To absorb excess photon energy, and
  2. To quench free radicals before they damage the lipid membranes

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