Study links dark chocolate to improved vision

A new benefit of dark chocolate could be in sight – literally.

The tasty treat that improves vision

Just over a month ago, I wrote an article about the health benefits of dark chocolate. Some of these benefits included improved brain function, lower risk of heart disease and lower blood pressure.

Well, now a new study has found an extra benefit to eating dark chocolate that scientists were previously unaware of – improved vision.

The recent study, which shows it could also improve eyesight, has been published in the journal JAMA Ophthalmology.

The study looked at the visual acuity of 30 participants over a three-month period from June to August 2017.

Scientists discovered that adults who ate a bar of dark chocolate saw a significant increase in visual clarity and contrast sensitivity in the two hours after consumption.

The scientists measured visual acuity and the ability to read letters of different sizes and contrast (lighter vs darker letters) about two hours after eating chocolate.

However, the results were limited by the fact that researchers did not know how long the effects lasted.

“Contrast sensitivity and visual acuity were significantly higher two hours after consumption of a dark chocolate bar compared with a milk chocolate bar, but the duration of these effects and their influence in real-world performance await further testing,” the study concludes.

While the immediate implications and the reasons for the improvement were not known, researchers argued that it could be linked to the effect dark chocolate has on improving blood flow. The retina, which is the sensory receptor for vision, is very rich in blood flow.

Do you think your diet has an impact on your vision? Does this study further encourage you to switch to eating dark chocolate?

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    COMMENTS

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    mr.auspicious
    1st May 2018
    10:58am
    For these findings to be credible the survey should incorporate a significantly larger number
    of dark chocolate eaters prepared to indulge for a much longer period of time - say 12 months
    minimum.
    ROB
    1st May 2018
    1:18pm
    Me, Me, I agree with Mr Auspicious. Hands up here. :)
    Anonymous
    2nd May 2018
    9:04am
    I'll volunteer!
    Rocky
    1st May 2018
    11:04am
    I agree Mr auspicious it's all a matter of how much for how long
    Charlie
    1st May 2018
    11:19am
    I dun noo believe ya Mr Cadbury..
    FrankC
    1st May 2018
    11:26am
    They didn't ask me for my co-operation in eating chocolate.! Perhaps one should eat a bar every two hours . AMA , call me.

    1st May 2018
    11:37am
    I agree with comments that say sample size is too small to be definitive. You would need a sample group of at least a 1000, and a control group, not eating dark chocolate for a defined period, before I would be convinced. However, I hope they are correct, as I like my dark chocolate!
    Arisaid
    1st May 2018
    11:49am
    Any excuse to eat dark chocolate is fine by me.
    Teditor
    1st May 2018
    4:44pm
    I'm convinced, Dark Chocolate it is, I'm willing to be a subject.

    1st May 2018
    6:44pm
    Chocolate is actually slightly toxic!
    MD
    2nd May 2018
    7:59am
    Mmmm, dark chocolate = black velvet; I find it a bit hard to swallow, probably just a material thing, but once started it's damn near impossible to stop - Oink! Now I can see clearly what they mean.
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    22nd Jun 2018
    5:12pm
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    Tags: health, vision, food,

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