Nutrition and eye health have, beyond doubt, been found to be having a dialectical relationship with each other, meaning thereby that as nutrition affects the eye health, same way eye health does affect the metabolism of nutrients in the body system too!
Seems contrary to the popular belief that it is a one-way channel, i.e., the nutrition affecting the eye health without any link from the eye health affecting the metabolism of the nutrients back!
But it is not so.
Let's go into this matter of nutrition and eye health a little deeper, first starting from the side of the popular belief, i.e., the nutrition affecting the eye health.
Nutrition required to boost the eye health is called antioxidants.
Antioxidants are food compounds necessary to keep cells and tissues in the eye and the other organs of the body healthy, thus keeping nutrition and eye health in balance.
There are high concentrations of vitamins C and E as also of some lutein and zeaxanthin inside the lens.
Lutein and zeaxanthin are phytochemicals called carotenoids, and they are concentrated in the retina.
Lens cells make proteins called crystallins allowing light to pass through it.
Ultraviolet light tends to damage the lens whereas blue light does it to the retina.
Normal byproducts of metabolism, called oxygen free radicals, cause damage too!
Nutritional biochemist Elizabeth Johnson uses high-performance liquid chromatography to measure carotenoids in blood plasma. Carotenoids play a role in the prevention of age-related cataracts. Because carotenoids break down under normal room light, a red light is used for illumination during the test.
Credit: United States Department of Agriculture
If they are not neutralized by an antioxidant, they damage the lipids, proteins, and other components of the lens.
The nutrition and eye health go out of balance!
It result in the clouding of the lens from transparent to opaque.
This is what is called a cataract.
Damaged proteins gather together in lens to form opacities.
But then there are protective systems in the form of protein-digesting enzymes, destroying damaged proteins.
Antioxidants keep protective enzymes functioning longer, thus maintaining a balance between nutrition and eye health.
Three areas of the lens that can be affected by cataracts are the nuclear, cortical, and posterior subcapsular (PSC) areas. The nuclear and cortical areas are associated with age-related cataracts, whereas the PSC area is associated with diabetes-related cataracts.
Antioxidant nutrition and eye health, in coordination with each other, prevent nuclear cataracts from affecting the lens.
Dietitian Helen Rasmussen weighs exact amounts of lutein-enriched eggs and other ingredients for an egg frittata that participants will eat during testing to see whether food type affects lutein absorption into the bloodstream.
Credit: United States Department of Agriculture
A breakdown of light-sensitive cells, the yellow spot in the retina called macula lutea, causes age-related macular degeneration (AMD).
As the eye ages, oxidized proteins start piling up there and cause AMD.
The nutrition and eye health go against each other!
The yellow color, or pigment, inside the macula comes from the carotenoids lutein and zeaxanthin.
These plant chemicals protect the eye by absorbing blue light and neutralizing free radicals.
Lutein and zeaxanthin circulate in the food supply and in blood plasma at a ratio of about one part zeaxanthin to about six or seven parts lutein keeping nutrition and eye health intact.
As blood passes by the macula through retinal blood vessels, these pigments pass through the macula's outer layer to rest in high concentrations inside its center.
People with macular degeneration have been found to have lower levels of zeaxanthin and lutein in the macula than people without-which supports the premise that these antioxidants provide some protection.
As the body ages, the importance of carotenoids in the macula may increase because of the lifelong exposure to damaging light.
Chemist Allen Taylor as seen through rat's eye lenses with cataracts (left) and without (right). Note that Taylor's face is fuzzy in the image on the left butclear on the right.
Credit: United States Department of Agriculture
Now the question is: why does it all happen with the advancing years of age at all?
Why do the nutrition and eye health lose their coordination?
Is our body protective system so incompetent, incomplete and fallible to the factor called time?
Is time our enemy?
Is it that we have borrowed a few years of health from time; and as time passes by, a steady decline in health is a rule rather than a result of our follies causing insult to the metabolic process of the nutrients getting ingested by the body system full and total?
Does it mean that I am bound to be less healthy today than I was a year before?
We might be taking anti-oxidizing nutrients in, even more than required, but until and unless they are completely ingested by our body system, they are not going to undo what wrong has been done by the process of oxidation inside our body cells in a complete way.
Hence aging and its effects!
Chemist Allen Taylor and technician Marisa Hobbs examine parts of an eye lens grown in a petri dish to determine what happens during lens aging and cataract formation.
Credit: United States Department of Agriculture
What stops our antioxidant intake from getting ingested in a thoroughly complete way?
If it can be done, time will stand still as far as the insult through oxidation is concerned.
What initiates it?
Health as an independent entity in itself!
Independent of its linear dependence on the one-sided effects of nutrition and eye health or, say, total health; that are incomplete in themselves!
Hence the dialectical relationship between the nutrition and eye health, rather the nutrition and the total health!
What is health in itself then?
It's keeping the body free from any unnatural pressure on any part of the body through habitually keeping any part of its musculature under continuous contraction.
As you keep any one of the muscles contracted continually, the rest all throughout the body get either contracted or stretched continually too.
The anatomy keeps itself distorted habitually.
Nutritional biochemist Elizabeth Johnson extracts lipids from blood plasma to test for carotenoids.
Credit: United States Department of Agriculture
As a result, the whole body continually stays under muscular stress, that in turn generates the mental stress, and that too a continuous one!
The more the mind is under stress, the more it tends to take junk food in, and the less the real nutrients keeping nutrition and eye health as well as total health under balance.
The body organs aren't able to function properly under such conditions of stress.
The physiology gets affected negatively.
It causes illness in the organ and/or in the body and/or in the mind.
Metabolism gets affected negatively too, stopping nutrients - even if one takes them in, forcing them on oneself as a sense of duty - from getting ingested properly jeopardizing nutrition and eye health as well as the total health equation.
This is how health affects nutrition the same way as nutrition affects health.
How to break through this vicious circle of poor health -> poor nutrition -> poor health or poor nutrition -> poor health -> poor nutrition?
Chemist Allen Taylor views films that show that oxidative stress damages eye lens proteins.
Credit: United States Department of Agriculture
Here comes the importance of opening the third eye in the human body.
Once it is done, all the muscles in the body come to their natural state, neither being unnaturally contracted nor unnaturally stretched; the anatomy ends its distortions, and the physiology goes functioning properly.
It's now that taking the right nutrition in, makes a real sense and starts doing its job of undoing the oxidative damage done to the body organs fully and completely.
Vision therapy trains you to break through this vicious circle by opening the third eye instantaneously and thus not only establishing a connection between nutrition and eye health, but also a connection between nutrition and the total body health as well as the total mind health too!
I just came across a page about green tea from China saying:
"The secret of green tea lies in the fact it is rich in catechin polyphenols, particularly epigallocatechin gallate (EGCG)."
"EGCG is a powerful anti-oxidant: besides inhibiting the growth of cancer cells, it kills cancer cells without harming healthy tissue."
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