Is it true that blueberries improve vision?

It is believed that blueberries and the products they contain are good for vision. We decided to check if this is true.

Information that blueberries are good for the eyes and even improve vision, you can find on specialized portals, websites online stores pharmacies And optician, in social networks And blogs. They write about this at educational resources and in Media. IN sale Can find large number dietary supplements with blueberry extract.

Blueberry contains There are a lot of vitamins and antioxidants, so it is indeed very good for health, including for the eyes. Anthocyanins (plant pigments, characterized by antioxidant, anti-inflammatory, neuroprotective and other functions) blueberries and truth showed some effectiveness in treating patients with glaucoma. Blueberry extract has also been proven to improve secretion of tears, which is beneficial for people suffering from dry eyes. Anthocyanins are capable of performing protective function, protecting retina eyes from damage due to external or age-related factors. They provide renewal of corneal cells.

Blueberry extract is useful for people who work a lot on the computer. So, in one of researchConducted in Japan, healthy people took part who complained of eye fatigue due to working in front of a monitor. They were divided into two groups and given either blueberry extract capsules or a placebo for six weeks. As a result, tests showed that the eye health of subjects who received blueberry extract was significantly better, and redness (as a measure of fatigue) was lower than that of those who took a placebo. Another Japanese study, this time on a larger scale, confirmed these results.

Specialists think: There is some evidence to suggest that blueberries may also be effective in treating myopia (nearsightedness), but to date, existing research is insufficient to draw firm conclusions. During one of experiments Patients with varying degrees of myopia and asthenopia (visual fatigue) were given high purified doses of anthocyanins, which had some positive effect on the contrast of their vision. However, it is worth noting that such doses of the active substance are almost impossible to obtain from blueberries simply by eating them.

Russian ophthalmologists also thinkthat blueberries and their active substances are beneficial for overall eye health, but there is insufficient evidence of their effectiveness for treating pre-existing vision problems. Moreover, in order to get at least some effect, these berries need to eat in buckets.

Researchers have carefully studied the hypothesis that blueberries can improve vision in the dark, but reviews of existing clinical trials on them do not confirm.

On sale you can find a large number of dietary supplements and vitamins with blueberry extract. However, an analysis carried out in the USA testifiesthat the composition of most of them does not correspond to formulas that could have a positive effect.

At the same time, blueberries are far from the only useful and, perhaps, not the most effective product for eye health. Thus, Harvard Medical School even doesn't name it is among the best products for protecting your eyesight. But this list includes broccoli, spinach, Brussels sprouts, oranges and many other foods.

But blueberries useful and for the body as a whole. Thus, the substances in it can reduce blood pressure and sugar levels, relieve inflammation, and even reduce the risk of developing cancer and cardiovascular diseases. So, it probably won’t be a bad idea to include it in your diet.

Thus, blueberries are indeed a very rich product in vitamins and antioxidants, good for health, including for the eyes. Its extract has been proven to help relieve fatigue due to computer work, as well as prevent or slow down the development of certain diseases that can lead to partial or complete loss of vision. However, no convincing studies could be found that would confirm that this berry or its extract can cure existing vision problems, including nearsightedness or farsightedness. The scientific community agrees that further, more extensive and detailed studies are needed to confirm the few successful results of its use. Experts have not yet been able to confirm that it helps to see better in the dark.

Half-truth

What do our verdicts mean?

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