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What is the food than can really improve your eyesight?

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    What is the food than can really improve your eyesight?

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    What is the food than can really improve your eyesight?
    1 hour ago
    From the section Magazine
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    Many people suffer declining eyesight as they get older, but is there something we can eat to improve it, asks Michael Mosley.
    My eyesight has never been good. I've worn glasses most of my life and as I get older that's a situation that I've only expected to get worse. When the Trust Me, I'm A Doctor team suggested that I try taking supplements to improve my eyesight, though, I was sceptical, particularly as I am not a fan of supplements.
    Nonetheless I headed off to meet Prof John Barbur of City University in London to have my eyesight thoroughly tested. He was particularly interested in my retina, the light sensitive part of the eye, and made me stare at a computer screen in the dark for hours, having tests flashed up at me which thoroughly and precisely measured the limitations of my perception of different colours, my night vision and my detection of faint and small objects.
    He also measured the level of protection that the most delicate area of my retina - the macula - had against damage from high energy blue and UV light. This protection is, in effect, a kind of natural sunscreen that we have covering the light-detecting cells, and is made up of yellowish "macular pigments".
    The results of my tests were both fascinating and depressing. My detection of yellow and blue colours was extremely poor - something that Prof Barbur said was likely the result of my brush with diabetes many years ago. My night vision and perception of details were also poor compared with younger people - but consistent with my age.
    The Trust Me team then handed me a 90-day supply of supplement pills that were supposed to help. They contained concentrations of certain compounds found in coloured plants. These were extracted from marigolds, but two of the key chemicals - lutein and zeaxanthin - are also found in a range of things we eat more commonly.

    A team in the United States devised a recipe for a daily smoothie for us that they hoped could supply a similar level of lutein and zeaxanthin. It was a heady mix of fruits and veg such as kale and kiwi fruit, along with fats such as milk and wheat germ oil which help the absorption of the key compounds.
    Twelve weeks later, I returned to City University to see whether my daily pill-popping had made any difference to my eyesight. The results surprised even Prof Barbur. There were significant improvements in several different aspects - my blue and yellow colour perception was back to normal and my night vision was much better. The levels of my protective macular pigments were also boosted.
    The results were less of a surprise to Prof John Nolan, who I went to meet in Waterford, in south-east Ireland. His team has been studying macular pigments for many years, and recently completed a year-long trial with over 100 participants in which they had seen similar results to mine.
    They found that boosting the diet with the three macular pigments - lutein, zeaxanthin and meso-zeaxanthin - led to significant improvements in the protection of the delicate macula, as well as improved eyesight.
    There is also some evidence that such supplementation may help slow or possibly even prevent, age-related macular degeneration (AMD) - the leading cause of vision loss in the UK. However, this is still controversial.
    Should we all, then, be taking supplements to protect and even improve our eyesight?

    Well, the research certainly shows that supplements work. Even for someone like me, who has a relatively healthy diet with plenty of fruit and vegetables, and whose blood levels of the compounds that weren't particularly low, the supplements helped. However, some researchers believe that diet can simply be enough, if we eat the right things.
    More research needs to be done on the best dietary sources for each of the three macular pigments.
    Lutein is a yellow compound made only by plants. They make it in order to absorb blue light, as part of their mechanism to capture energy from sunlight through photosynthesis. Animals then get it from eating plants - good sources are green kale and spinach, or the yellow yolks of eggs.
    It is used as a supplement to feed industrially-reared chickens to make their yolks a more attractive yellow (and, being fat-soluble, ends up turning their skin and fat yellow too).
    Zeaxanthin is another yellow compound, almost identical to lutein, made by plants to absorb light. It is the chemical that gives corn, bell peppers and saffron their yellow colour.
    Meso-zeaxanthin is a form of zeaxanthin not generally found in plants, but it is made in the body from lutein. More research needs to be done on how efficient this process is. It is found in some fish (particularly in the skins), but in supplements containing marigold extract, it appears that the industrial processing that the marigolds undergo can create meso-zeaxanthin (and it has been found to be in some marigold-extract supplements, even when not listed on the label).
    Our volunteers taking the smoothie containing amounts of plant sources calculated to give them a boost of lutein and zeaxanthin did indeed boost their lutein levels, but not their zeaxanthin. Clearly more work needs to be done to refine the recipe. So, this might be a rare occasion where, given the current state of research, I might end up on the side of supplements - especially for those who don't eat as many leafy greens as they should, and for older people (who absorb nutrients less efficiently).
    However, for all of those whose mothers and grandmothers told them that carrots would improve their vision the message is this - although lutein, zeaxanthin and meso-zeaxanthin are all chemicals known as "carotenoids", and carrots do owe the yellow portion of their colour to them, these particular key compounds are found mainly in the green parts of plants above ground.
    So, if you want to improve your eyesight, I'm afraid it's munching on leafy greens (taken with some fats to help absorb these fat-soluble chemicals) that will do the best job.

    Michael Mosley presents Trust Me, I'm A Doctor which is on Thursday 8 September on BBC Two at 20:00 BST



    http://www.bbc.com/news/magazine-37281200
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    Re: What is the food than can really improve your eyesight?

    Using a Miswaak is also brilliant. I don't even wear spectacles anymore! الحمد لله و الشكر لله
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    Re: What is the food than can really improve your eyesight?

    I have been wearing glasses since I was five years old, been wearing them for 12 years now. It's been so long I don't really notice them, they're just like an extension of my face.

    My eyesight has been improving *slightly* over the past couple of years, atm I'm -2.00 in both eyes.

    And I don't mind leafy greens at all, I'll start munching on them.
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    What is the food than can really improve your eyesight?

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    Oh turner of the Hearts make my heart firm on Your Deen


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    Re: What is the food than can really improve your eyesight?

    All this time I thought carrots had an effect in improving eye sight. Very valuable information JazakAllah brother.
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    Re: What is the food than can really improve your eyesight?

    Perhaps you could try carrots, blueberries and other foods that you can see in a web search for "vision enhancing foods". If you are really desperate perhaps you could try StemEnhance that you can see in a web search for "stemenhance+ eyesight.
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    Re: What is the food than can really improve your eyesight?

    Honey is very effective if used in eyes at bed time
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    Re: What is the food than can really improve your eyesight?

    For better eyesight you need vitamin A and carotenoids.

    Vitamin A is essential for the eyes, growth and development of the immune response. Vitamin A comes in two forms: retinol and carotenoids, which the body will change retinol compound.

    What stronger orange or dark green color of the vegetables, the more carotene it contains.

    Here are some examples:

    - carrots
    - pumpkin
    - spinach
    - Honeydew
    - broccoli


    Note: If someone has glasses because of myopia (nearsightedness), eating tons of carrots or spinach, doesn´t cure it. Sorry.
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    What is the food than can really improve your eyesight?

    From Occupied Palestine:

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    Re: What is the food than can really improve your eyesight?

    format_quote Originally Posted by sister herb View Post
    Note: If someone has glasses because of myopia (nearsightedness), eating tons of carrots or spinach, doesn´t cure it. Sorry.
    What is the food than can really improve your eyesight?

    Ya Muqallib al-Quloob, Thabbit Qalbi Ala Deenik
    Oh turner of the Hearts make my heart firm on Your Deen


    islamb 1 - What is the food than can really improve your eyesight?



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    Re: What is the food than can really improve your eyesight?

    format_quote Originally Posted by noraina View Post
    Don´t worry, it´s not that bad.

    therethere1 1 - What is the food than can really improve your eyesight?

    (I have glasses too.)
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    Re: What is the food than can really improve your eyesight?

    Get LASIK surgery. It is amazing. Zero pain only takes 10 minutes after a couple hours you can see perfectly!
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    Re: What is the food than can really improve your eyesight?

    I love your post. I find your blog post very useful for us . THANKS for sharing the great tips
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