Scientists from the National University of Singapore found that grapes are beneficial to the eye health of older people. Eating these fruits strengthens the retina of the eye, reducing the risk of age-related vision diseases. In this respect reports EurekAlert.
As people get older, their risk of developing eye diseases such as glaucoma or age-related macular degeneration increases. This is due to factors such as oxidative stress and high levels of advanced glycation end products. Oxidative stress is a sharp increase in oxidative processes in the body with inadequate functioning of the antioxidant system. Dietary antioxidants, such as grapes, can reduce oxidative stress and prevent the formation of glycation products. This improves the condition of the retina, in particular, increases the optical density of the macular pigment.
34 elderly people participated in the research. Scientists divided them into two groups. The first group consumed 46 grams of freeze-dried table grape powder per day, while the second group consumed the same amount of placebo powder. Researchers followed the subjects for 16 weeks.
The results showed that those who ate grapes experienced a significant increase in the antioxidant capacity of their blood plasma. Additionally, participants in the first group showed an increase in the pigment density of the macula; This is the area of highest visual acuity in the retina where light-sensitive cells are concentrated.
Researchers added that you should consume about one and a half glasses of grapes a day to strengthen the retina and reduce the risk of age-related vision diseases.
Previous scientists developed A non-invasive method of treating blindness using eye drops.
Source: Gazeta
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