When it comes to eating for better eye health, carrots have long stolen the spotlight, and for good reason. They’re packed with nutrients that can help combat dry eye and support vision. However, relying only on carrots for optimal eye health is a misconception. Protecting your eyes requires a diverse range of nutrients that work together to defend against oxidative stress, inflammation, and the daily strain our eyes endure, especially in today’s digital age, where screens and blue light exposure are an unavoidable part of life.

According to the World Health Organization (WHO), an estimated 2.2 billion people globally suffer from some form of vision impairment. More importantly, in more than 1 billion of these cases, the vision loss is preventable.ⁱ In the United States, the Centers for Disease Control (CDC) reports there are nearly 20 million people affected by age-related macular degeneration (AMD)ⁱⁱ and around 3 million who have glaucoma, both of which can lead to irreversible vision loss.ⁱⁱⁱ Due to the expected age of living being on the rise, the risk of developing cataracts and glaucoma is increasing in parallel. All these factors emphasize the importance of greater awareness, early detection, and preventative measures for your eye health, which can be accomplished through nutrition.

The Skinny on Carrots

Carrots are rich in beta-carotene, a natural orange-red pigment found in many fruits and vegetables, which is a great addition to a diet to support your vision health. Though, that is just one small piece of the picture. Since our eyes are such complex organs, they require a combination of more than 30 different nutrients to keep these complex and intricate parts functioning to their full potential.

The key nutrient classes for eye health are lutein, zeaxanthin, omega-3 fatty acids, and bioflavonoids. These all play essential roles in keeping your eyes healthy by protecting against oxidative stress and reducing inflammation, which are two major contributors to eye conditions like dry eyes, cataracts, AMD, and glaucoma.

The Strength of Macular Carotenoids

The macular carotenoids – lutein, zeaxanthin, and meso-zeaxanthin – are powerful antioxidants found in the center of the retina; the area of the eye responsible for our central vision. These nutrients protect the retina from oxidative stress which can be caused by harmful blue light from both digital screens and even sunlight. Lutein and zeaxanthin are known to enhance the macular pigment optical density in your eye, and are basically natural, internal blue light blockers found in our retinas^iv. Studies have shown that these pigments help protect against macular degeneration^v, enhance visual performance, improve night vision, and reduce glare, so taking nutrients that improve this can be effective in protecting your eye health.

The body cannot produce more of these carotenoids on its own, so they must be obtained from food sources such as leafy greens (like spinach and kale), corn, egg yolks, and brightly colored vegetables like orange and yellow bell peppers. It has been shown that supplementing with these antioxidants, lutein and zeaxanthin, can significantly improve visual function and reduce the risk of developing AMD.

Omega-3 Fatty Acids for Eyes

Another crucial nutrient for eye health is omega-3 fatty acids, particularly eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). DHA is a structural component of retinal cells and is essential for healthy brain function and vision. Omega-3 fatty acids also play a vital role in reducing inflammation, which is a major factor in dry eye disease, AMD, and diabetic retinopathy.

It is shown that increasing your intake of omega-3 fatty acids can help improve tear production and alleviate the symptoms of dry eye.^vi Omega-3s also supports blood flow to the retina, which is crucial for overall visual function. Fatty fish, like salmon, mackerel, and sardines are excellent sources of omega-3s, but if you prefer plant-based options then flaxseeds, chia seeds, and walnuts are great alternatives. For those who do not get enough omega-3s through their diet alone then fish oil or algae-based DHA supplements can provide additional support.

Bioflavonoids: Nature’s Eye Protectors

Bioflavonoids are plant-based compounds with antioxidant and anti-inflammatory properties. These compounds are key for protecting the eyes from oxidative damage.^vii Some bioflavonoids, such as quercetin, resveratrol, and citrus bioflavonoids (found in oranges, lemons, and grapefruits), strengthen blood vessels, improve circulation in the eyes, and help prevent conditions like diabetic retinopathy. Anthocyanidins, a type of bioflavonoid found in dark berries like blueberries and black currants, have been shown to enhance night vision, reduce eye fatigue, and protect the retina from oxidative stress. Curcumin, the active compound found in turmeric, also has anti-inflammatory effects that can alleviate symptoms of dry eye disease and other inflammatory eye conditions.

Getting These Nutrients in Your Diet

While carrots may have earned their place in the eye-health conversation, they are just one piece of a huge puzzle. Protecting your vision requires a combination of nutrients that go beyond beta-carotene and beyond just carrots. Lutein, zeaxanthin, omega-3 fatty acids, and bioflavonoids are some essential nutrients for maintaining healthy eyes and preventing vision loss.

The best way to support your eye health is by eating a nutrient-dense, balanced diet by trying to include a variety of colorful fruits and vegetables in your meals. As mentioned, leafy greens, citrus fruits, fatty fish, and nuts provide natural sources of these essential nutrients, which are needed to get your eyes to optimal health. However, with modern diets, it is not always possible to get enough of these nutrients from food alone, which is where supplements can play a helpful role in obtaining those. For instance, supplementing with lutein (10-20 mg per day) and zeaxanthin (1-2 mg per day) can improve visual performance and reduce the risk of AMD.^viii Similarly, omega-3 supplements can alleviate symptoms of dry eye disease and promote retinal health, especially for individuals who do not consume enough fatty fish in their normal diet.

Protect Your Vision Starting Today

Vision problems can affect everyone — from infants to older adults — and while some issues, like digital eye strain or dry eyes, may seem minor, others, such as cataracts, glaucoma, or AMD, can have a lasting impact. Yes, vision decline is a natural part of aging, but many eye conditions can be prevented or delayed with proper nutrition and healthy lifestyle choices. That’s why education about eye health is crucial.

As a doctor, I’ve seen firsthand how devastating vision loss can be, and how often it could have been prevented. Taking care of your eyes isn’t something to put off until problems arise. By the time symptoms show up, the damage may already be done. The good news is that you have the power to take control of your eye health now. Small changes, like incorporating key nutrients and supplements into your diet can make a significant difference in preserving your vision for years to come.

That’s why I’ve brought together leading experts from around the nation for The Eye Health Summit — a global event dedicated to sharing the latest insights and strategies for lifelong eye health. Whether you’re looking to prevent future vision-threatening issues or manage existing eye conditions, this summit will give you the knowledge and tools you need to protect your sight. Don’t wait for a wake-up call. Your vision is worth fighting for, and the time to start is today.

References:

The post Eye-Popping Nutrients for Improved Vision appeared first on Total Health Magazine.

TotalHealth Editors:

Silver Use Institute, Feb 1st, 2025

Is it about time to take care of our own, our own friends, and especially our own families,  the people who we hold most dear to us?  All the science is in place to help us, but it seems like people are struggling to find it and to put aside all the bad and misleading pseudo information that we are constantly being fed.  It is the intent of this article to bring some of that science into the light!

Introduction

Contrary to current thought, keeping our people safe and healthy may not be all that difficult to do if we actually embrace the science!  In the last few decades, we have all been hit with a host of new and deadly viruses.  Every year or two, a new one hits.  Those would include viruses like HIV, SARS, EBOLA, Swine Flu, Bird Flu, and Covid just to name a few, and there are many more on that list.  Over the past few years, we have had to endure masks, staying home, losing jobs, closing business, food and medical shortages etc. etc.  Worse of all we have had to attend, or not be able to attend, the funerals of many of our friends and family.   The people who have died, possibly unnecessarily, have affected us all in one way or another.   On January 30, 2020, COVID-19 was declared a Public Health Emergency of International Concern (PHEIC) with an official death toll of 171. By December 31, 2020, this figure stood at 1,813,188. Yet preliminary estimates suggest the total number of global deaths attributable to the COVID-19 pandemic in 2020 was at least 3 million, representing 1.2 million more deaths than officially reported (1). As of April 13, 2024, the death toll had reportedly reached 7,010,681.  It doesn’t stop there, currently there are 704,753,890 confirmed cases in 229 countries and territories (2). So how do we protect our people?

Background on Nano Silver

In the mouths of two or three witnesses truth is established, right?  How about from the mouths of over a hundred or five hundred scientists?  How about a thousand scientists in just one publication (3)?  How about millions of people over 1000’s of years?  Silver has been used for at least six millennia to prevent microbial infections. “It has been effective against almost all organisms tested and has been used to treat numerous infections and noninfectious conditions, sometimes with striking success” (4).  Around 400 BC, the “father of modern medicine”, Hippocrates, wrote of using silver to improve wound care, and during the intervening years silver has been featured in a wide range of writings, most of which highlight its capabilities with particular regard to limiting inflammation and infection. . (5)  There are now hundreds and hundreds of peer-reviewed, published medical studies on the medicinal use of nano silver for lifechanging things like: wound care, bio tissue engineering, antimicrobial action including antibiotic resistant bacteria, fungus, mold, and deadly strains of virus.  There are even more than 60 peer-reviewed and published studies on the use of nano silver to help eliminate numerous different types of cancer. (3)

 Prevention

What many people may not know is that a virus can build up in your body for days before you even know you have an infection.  Also important to know is that you can actually spread a viral infection to other people before you know you have it, and before you start feeling sick.  So prevention is a key component to staying healthy.  Prevention is always easier than treatment, so what can we do to prevent a deadly viral infection? A great answer to that question was published on August 19, 2021. It was published by 11 scientists from 8 different institutions located in 3 different countries.  The study incorporated 231 frontline health workers treating Covid patients in hospitals.  The medical personnel were split into two groups.  There were 117 of the people that just followed their regular prevention protocols as directed by their hospitals.  They were the control group.  The second group of 114 medical people added the use of nano silver to their daily prevention routines.

To quote the scientists directly,

“We present a prospective randomized study of 231 participants that was carried out for 9 weeks (during the declaration of a pandemic). The “experimental” group was instructed to do mouthwash and nose rinse with the AgNPs (nano silver) solution; the “control” group was instructed to do mouthwashes and nose rinse in a conventional way. The incidence of SARS-CoV-2 infection was significantly lower in the “experimental” group (two participants of 114, 1.8%) compared to the “control” group (thirty-three participants of 117, 28.2%), with an 84.8% efficiency. We conclude that the mouth and nasal rinse with AgNPs helps in the prevention of SARS-CoV-2 infection in health personnel who are exposed to patients diagnosed with COVID-19”. (6)

If you could cut your chance of getting infected by a deadly virus from more than 28% to just 1.8% simply by gargling and rinsing out your sinuses with nano silver daily, who wouldn’t do that?  With the use of just a little nano silver, the medical professionals had a 15X less chance of getting covid, all while being directly exposed to infected people!  A person could easily help a child, or an elderly person rinse out their sinuses daily just by the use of a simple nasal sprayer or a nebulizer.  It is an easy way to help people, and to give them an affordable, safe, and effective first line of defense to keep them healthy!

A second validation of the potential effect of just washing out your sinuses came from an Indian government lab, where in testing they found that a nano-silver liquid could kill or neutralize about 50 % of the contained SARS CoV2 virus within just the first 15 minutes of contact time, at a concentration of merely 10 parts per million nano silver.  Slightly higher concentrations of nano silver worked even better.  This study also proves nano silver has a direct effect on the elimination of the deadly virus. (7)

So, what do I do if I get it?

A great answer to that question was published in December of 2022 by eight scientists from six major Universities and hospitals in Canada and the US.  The Universities who participated were the University of Florida, University of Tennessee, and the University of Alberta, all outstanding institutions.  They tested the ability of nano silver to eliminate infections in the lungs and sinuses in both humans and animals, using a nebulizer to get the nano silver into the lungs.

They tested two different viruses, including SARS-CoV-2.  In their own words they found:

“Nano silver solutions demonstrated pH-dependent antimicrobial efficacy; reduced infection and inflammation without evidence of lung toxicity in the rat model; and inactivated HSV-1 and SARS-CoV-2. Pneumonia patients had rapidly reduced pulmonary symptoms, recovering pre-illness respiratory function. Fungal sinusitis-related inflammation decreased immediately with infection clearance within 21 days. Non hospitalized patients with COVID-19 experienced rapid symptom remission”.(8)

In other words, they found that nebulizing the nano silver quickly eliminated the lung infections (killed or neutralized the viruses), reduced the inflammation, and was non-toxic or had no negative effect.  The nano silver helped heal the patients, whether they were animals or humans.  They found that the patients quickly regained their normal lung function, some within just hours.  The study again proves the value of using nano silver as a great first line of defense against active viral infections.

What About Other Deadly Virus?

There are many viruses for which medicine has no established treatment.  Nano silver is one of the best, if not the very best antiviral agent that exists.  It is a very broad spectrum natural antiviral remedy!  The ability of nano silver to kill or neutralize virus and reduce the inflammation associated with the virus, all without causing negative side effects is a very big deal!  There are many different problem viruses, and many different diseases caused by those viruses. Numerous peer-reviewed and published studies from literally hundreds of scientists and doctors from all around the world that have tested nano silver against about any virus you could name.  Some of those tests combined the use of nano silver with other antiviral agents for enhanced action, and some used the nano silver as the only form of treatment.  Either way, the only thing that actually matters is that nano silver has been proven to work.  That published and tested viral list would include virus such as: Adenovirus, HIV1, HIV2, Influenza A (H7N2), MERS-CoV, SARS-CoV, EBOLA, Bird Flu (H5N1), Swine Flu, H1N1, Covid 19, Monkey pox, Hepatitis B & C, HPV, Noroviruses, West Nile, RSV, ZIKA, Rift Valley Fever, HSV1 & 2, Poliovirus, Chikungunya virus, and Dengue virus, to list just a few! (3)(8)(9)(10)(11)(12)(13) There is no question about nano silver’s ability to help treat viral infections.  The question is whether or not the powers that be will let it be used to help treat people or whether or not people will be willing to study and treat themselves and their loved ones.

How Does Nano Silver Eliminate Virus?

That question was answered in detail by eight scientists from Texas A&M and Winthrop Universities.  The study was published on the 31st of July 2023 and was made available by the US Government (US NIH) (13).  While the answer is not simple to understand, we feel it is important to add in this info for those who need or wish to know.  The study states:

“In these studies, AgNPs were found to bind specifically or nonspecifically to proteins in the envelope of virions and thereby deactivate them (virucidal activity). These target proteins are mainly responsible for the viral interaction with host cells. During the pre-viral entry into host cells, AgNPs competitively attach to the cells and lyse the membrane of the virions (antiviral activity). In the case of the post-viral entry, AgNPs mainly inhibit the viral fusion with the cell membrane, and in several cases interfered with the stages of the viral replication cycle such as the synthesis of viral RNA (antiviral activity).”

In simpler words, the nano particles were found to attach to the virus and kill them.  Also, the nano silver could kill the virus both before and after they connected or attached to a cell to infect it.   That means the nano silver could act as both a preventive and also as a treatment after infection.  This was also proven in the studies listed in the first few sections of this paper on both prevention and treatment.

Is Nano Silver Safe To Use Daily?

In one published human ingestion study, completed as an FDA registered IND study (Investigational New Drug), it was found that Nano silver caused no negative action on any system of the body.  It was found that both a concentration of 10 ppm and a 32 ppm (parts per million) liquid nano silver, drunk at a level of 1 ounce daily, had no negative effect on any system of the body.  It was also found that the nano silver washed completely out of the body within 24 hours, with no measurable residual, meaning none remained inside! (14) So even if someone drank it at a high volume it was proven safe for human use.  Additionally, the US EPA has established the fact that silver causes no negative effects when used at low levels, saying, “Silver is of low acute dermal toxicity, is not an eye or skin irritant and is not a skin sensitizer”.(15)  One world-acclaimed scientist named Rustum Roy (nominated for the Noble Prize 23 times) stated, “It is extraordinary that no major effort has been made to confirm and expand on the role of metallic silver in human health—especially in light of its huge advantage in lack of side effects.”(16)   In simpler words, nano silver has been proven safe for use both inside and outside the body and that fact has been well established by a number of US government agencies as well as  hundreds of scientists all around the world.(3)

The safety of ingesting nano silver was also proven in two other published human clinical trials.  One trial on the treatment of malaria, which was reported to the US Congress at their request in 2005, tested 56 humans between the ages of 1-90 years of age.  No other medication was used with the nano silver to treat the malaria patients.  Those people infected with malaria were drinking an ounce of nano silver daily divided into three doses (TID).  No negative effects were reported at all.  All 56 human subjects reportedly fully recovered from the malaria within an average of 3.43 days, walking out of the hospitals within 5 days. (17)(18)  In another published study, a group of people with AIDS was given two ounces daily of nano silver, split into three doses for a period of 4 months.  No other medication was used.  No negative side effects were reported at all.  It was also reported that the AIDS patients measured an average white cell increase of 39.54% over the 4-month period of treatment. It effectively helped to rebuild their entire immune system.  Also reported was the fact that the AIDS patients were able to achieve an average weight gain of over 17 pounds during the study, another remarkable and important discovery/achievement (19).

Where to Get It? 

In our research, one of the top new suppliers of nano silver products is a company called SilverCeuticals.  SilverCeuticals is led by a team of doctors that have more than a combined 120 years of experience working in the nano silver industry.  The CEO, Dr Keith Moeller, ND, has co-authored many papers, textbooks, and other publications on silver.  A number of those are peer-reviewed and published in leading wound care, science, and health journals. After working with the US Military to help solve medical problems for soldiers in the field, he was awarded an honorary position as a member of the US Special Operations Medical Association, a designation he is proud to hold. He accompanied his father, standing before the US Congress, at their request, to testify about the use of nano-silver to treat malaria and other humanitarian problems.

He and his team have already engineered a number of new and innovative nano silver products and have been busy getting them approved by different governments.  Their primary focus has been on wound care and disinfection.  They have also proven expertise in the formulation of cosmetics and supplements that don’t need FDA approval.  They have recently engineered a serum that Health Canada has already approved to treat, among other conditions, both acne and eczema, one of the first of its kind.  They have also just achieved a new Canadian registration as an antimicrobial lubricant.  With another partner, they have amassed an ongoing clinical trial in oral care that touts more than 55,000 procedures to date, with heal rates of half the normal time and zero secondary infections.  Their products are available from a variety of sources including doctor’s offices, medical distributors, and amazon, as well as directly from their website. (20)

Conclusion

Silver has been used for thousands of years as both a preventative and treatment for various diseases and human problems.  Newly published scientific papers from over a thousand scientists all over the world have proven nano silver to be an effective and safe antiviral agent.  Nano silver is easily able to eliminate a broad spectrum of deadly viruses.  It has been proven safe as an effective preventative, able to help medical professionals have 15 times less chance of getting a deadly viral infection.  At the same time, other published studies from multiple US Universities have proven nano silver as an effective treatment for Covid 19 and other respiratory infections, in both animals and humans.  It is about time we embrace the science and utilize nano silver to help provide a first line of protection to our friends, and especially our own families!

References

1) https://www.who.int/data/stories/the-true-death-toll-of-covid-19-estimating-global-excess-mortality

2) https://www.worldometers.info/coronavirus/coronavirus-death-toll/

3)  An Updated Review on Silver Nanoparticles in Biomedicine; Accepted: 20 November 2020; Published: 23 November 2020  An Updated Review on Silver Nanoparticles in Biomedicine

4) History of the Medical Use of Silver, US National Library of Medicine https://pubmed.ncbi.nlm.nih.gov/19566416/ June 10, 2009

5) https://www.silverinstitute.org/wp-content/uploads/2017/01/SilverInMedicine.pdf

6) Evaluation of silver nanoparticles for the prevention of SARS-CoV-2 infection in health workers: In vitro and in vivo,   PLOS ONE HTTPs://doi.org/10.1371/journal.pone.0256401 August 19, 2021

7) Centre For Cellular and Molecular Biology, November 3, 2020.  Hyderabad, India – Viridis Bio Pharma – SARS CoV2

8) Nadworny PL, et al, Treatment of infection and inflammation associated with COVID-19, multi-drug resistant pneumonia and fungal sinusitis by nebulizing a nanosilver solution. Nanomedicine: NBM 2023;48:102654, https://doi.org/10.1016/j.nano.2023.102654

9) Silver Nanoparticles as Potential Antiviral Agents, Pharmaceutics 2021, 13, 2034. https://doi.org/10.3390/pharmaceutics13122034

10) A Preliminary Assessment of Silver Nanoparticle Inhibition of Monkey Plaque Formation, Nano Perspectives – Open Access – Published: 09 April 2008

11) ) Effect of Prophylactic Treatment with ASAP-AGX-32 and ASAP Solutions on an Avian Influenza A (H5N1) Virus Infection in Mice,  https://www.semanticscholar.org/paper/Effect-of-Prophylactic-Treatment-with-ASAP-AGX-32-A-Pedersen-Sidwell/3de85a153d9b22ddc876aa11e0417935cf14a065

12)Swine Flu Influenza Type A/H1N1 Protection for Health Care  Practitioners and Their Patient Posted in Longevity and Age Management, Dietary Supplementation, Drug Trends, Healthcare and Information, Immune System, Infectious Disease,  Inflammation, Medications, Healthcare and Public Policy, Swine Flu on Thu August 13, 2009

13 Nanosilver: An Old Antibacterial Agent with Great Promise in the Fight against Antibiotic Resistance https://www.mdpi.com/2079-6382/12/8/1264 Published online 2023 Jul 31.

14) PubMed.gov 23811290  In vivo human time-exposure study of orally dosed commercial silver nanoparticles

15) EPA Registration Eligibility Document (RED) For Silver

16) Ultradilute Ag-Aquasols with extraordinary bactericidal properties: the role of the system Ag-O-H2O   Rustum Roy, M. Richard Hoover, A.S. Bhalla, Tania Slawecki, Sandwip Dey, Wei Cao, Jing Li, S. Bhaskar

17) US Congressional Testimony of Dr. William Moeller on the use of nano silver to treat Malaria at Congressional request https://commdocs.house.gov/committees/intlrel/hfa20915.000/hfa20915_0f.htm

18) Silver Sol Completely Removes Malaria Parasites from the Blood of Humans Subjects Infected bwith Malaria in an Average of Five Days: A review of Jour Randomized, Multi-Centered Clinical Studikes Performed in Africa September 1010 https://cdn2.hubspot.net/hubfs/211377/Silver%20Sol%20Malaria%20The%20Indian%20Practitioner.pdf

19) Effect of Prophylactic Treatment with ASAP-AGX-32 and ASAP Solutions on an Avian Influenza A (H5N1) Virus Infection in Mice (The HIV Study is the Editors Note at the front of the publication)

20) Silverceuticals.com

The post It’s About Time We Take Care of Our Own! appeared first on Total Health Magazine.

Nutrients for eye health
Your eyes require specific nutrients to keep them in top condition, and to prevent eye disorders. Antioxidants are usually part of the group of nutrients that maintain the eyes, because they prevent toxic molecules called free-radicals from damaging the delicate tissues of the eye.

Here Are The Top Nutrients Essential For Eye Health:

1. Vitamin A
Also known as retinol in its active form, vitamin A is important in maintaining eye health. It helps the body produce the eye pigment retinoid, which play a significant role in the vision mechanism. Specifically, vitamin A maintains good vision in dim light. A deficiency in vitamin A leads to a condition called night blindness, which renders the affected person unable to see clearly in dimly lit areas.¹

Vitamin A can be found in a variety of food sources. It is particularly high in colored (yellow, orange, and green) fruits and vegetables like squash, carrot, cantaloupe, sweet potato, spinach, broccoli, and other dark green leafy vegetables.

Processed foods are often fortified with vitamin A to ensure that the consumer gets the recommended daily intake of 700 mcg (adult females) and 900 mcg (adult males), although this form of vitamin A is almost always synthetic (retinyl palmitate or retinyl acetate).

2. Vitamin C
Another antioxidant that is important to eye health is vitamin C or ascorbic acid. As an antioxidant, its main function is to prevent free radicals from damaging body tissues. In fact, researchers from the Department of Ophthalmology, at the University of Medical Sciences in Zabjan, Iran, discovered that plasma vitamin C levels is lower in those suffering from cataracts, as opposed to normal individuals.²

The most common sources of vitamin C are citrus fruits like oranges, lemons, and grapefruit. Non-citrus sources include papaya, strawberries, broccoli, tomatoes, and peppers (green and red). One can also find vitamin C-fortified products in the supermarket like bottled fruit juices.

3. Lutein and Zeaxanthin
Lutein and zeaxanthin belong to a group of molecules called carotenoids. They comprise the majority of the carotenoids found in the human eye. Like vitamins A and C, they function as antioxidants and protect the eye by filtering harmful light and preventing glare. A recent study appearing in the journal Ophthalmology, indicated that people with the highest intakes of lutein and zeaxanthin, can experience a 20 percent reduced risk of early age related macular degeneration.³

These nutrients are not hard to obtain, as they are found in a variety of foods. A study in 1998 by researchers from the Department of Ophthalmology and Visual Sciences, concluded that corn and egg yolk contain the highest percentage of lutein and zeaxanthin, followed by kiwi, grapes, zucchini, orange juice, and spinach.⁴ The study further recommends that, in order to increase lutein and zeaxanthin levels, colorful fruits and vegetables should be incorporated into one’s diet.

4. Zinc
Zinc is a trace element that plays an important role in many body processes. In the eye, zinc works together with vitamin A to produce a substance called melanin that helps protect the eye from damage.⁵ High levels of zinc are found in the macula of the eye. Deficiency in zinc has been linked to an increased risk of developing macular degeneration,⁶ which can be easily prevented through proper nutrition. The recommended daily intake for zinc is 11 milligrams for adult males and 8 milligrams for adult females.

Foods that are rich in zinc include oysters, pork, beef, dairy products like milk and yogurt, whole grains, chickpeas, and lobster. Zinc-fortified foods are also available in the typical supermarket aisle.

5. Omega-3 fatty acids
Also known as the “good fats,” omega-3 fatty (DHA and EPA) acids maintain the fluidity and structural integrity of body cells and tissues, and have anti-inflammatory properties. They are also important in proper visual development in infants. In adults, omega-3 fatty acids are important in preventing macular degeneration and subsequent vision loss.⁷

The best dietary sources of omega-3 fatty acids are coldwater fish like salmon and mackerel. Tuna is also a good source of omega-3 fatty acids. For vegetarians, algae, flaxseed, hempseed and their oils are the best sources.

6. Vitamin E
Vitamin E is a fat-soluble antioxidant that protects cells and tissues from oxidative damage. While more research needs to be done on its importance to eye health, initial studies suggest that vitamin E works together with lutein and zeaxanthin to prevent cataract formation. The American Optometric Association (AOA) recommends a daily intake of 400 IU of vitamin E to maintain good eye health.

Dietary sources of vitamin E include sunflower seeds, almonds, wheat germ, vegetable oils, and avocados.

References

1. Sarubin Fragaakis A, Thomson C. The Health Professional’s Guide to Popular Dietary Supplements Amer Dietetic Assn; 3 edition (November 30, 2006).
2. Jalal D, et al. Comparative study of plasma ascorbic acid levels in senile cataract patients and in normal individuals. Current Eye Research. 2009 Feb;34(2):118–22.
3. Wang JJ, et al. Genetic susceptibility, dietary antioxidants, and long-term incidence of age-related macular degeneration in two populations. Ophthalmology. 2014 Mar;121(3):667–75.
4. Sommerburg O, et al. Fruits and vegetables that are sources for lutein and zeaxanthin: the macular pigment in human eyes. Br J Ophthalmol. 1998 Aug;82(8):907–10.
5. Ultra-violet and Blue Light Aggravating Macular Degeneration American Macular Degeneration Foundation. https://www.macular.org/ultra-violetand-blue-light.
6. Smailhodzic D, et al. Zinc supplementation inhibits complement activation in age-related macular degeneration. PLoS One. 2014 Nov 13;9(11):e112682.
7. Lawrenson JG, Evans JR. Omega 3 fatty acids for preventing or slowing the progression of age-related macular degeneration. Cochrane Database System Review. 2015 Apr 9;4:CD010015. [Epub ahead of print]
8. Head KA. Natural therapies for ocular disorders, part two: cataracts and glaucoma. Alternative Medical Reviews. 2001 Apr;6(2):141–66.

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