In the modern world, the main reason for a decrease in visual acuity is the extensive use of gadgets. In everyday life, everyone spends a lot of time on a computer, smartphone, tablet, and not only at work, but also during leisure.
Naturally, heredity is important, but lifestyle also plays an important role. Eye strain caused by prolonged exposure to a monitor screen contributes not only to visual impairment, but also causes the development of many diseases. Ophthalmologists recommend placing the monitor screen at a distance of 55-60 cm from the eyes when using the gadget. Prolonged watching of TV and reading in the prone position affect the deterioration of vision.
Fast food, convenience foods, and sugary carbonated drinks also have a negative effect on the eyes. At the same time, adherents of a healthy diet are able to maintain sharp eyesight for quite a long time. Eye health is impossible without the presence of antioxidants in the retina of the eye, which prevent the effects of environmental factors that negatively affect vision. Such substances are found in cereals, bread, eggs, spinach, lettuce, and most types of cabbage.
Vitamins are also important for the eyes. Retinol (vitamin A) plays a special role. A deficiency of this component is the cause of impaired color perception. Beef and pork liver and butter contain the required amount of retinol. Carotene (provitamin A) is found in large quantities in sorrel, carrots and pumpkin. If there is increased photosensitivity and rapid eye fatigue, then B vitamins will come to the rescue. They are found in beef kidneys and liver, eggs, dairy products, and pasta. For visual acuity, it is extremely important to consume the necessary amount of foods containing vitamin C (parsley, sea buckthorn, black currant, rosehip). Do not forget about products containing calcium, this essential trace element for the eyes is found in dairy products, cherries, currants, honey, nuts.
Ultraviolet rays have an extremely detrimental effect on vision. The negative effects of such radiation occur even in cloudy weather, so even for people with perfect eyesight, experts recommend wearing glasses with UV protection. Neurotoxic substances present in cigarette smoke have a detrimental effect on the retina of the eye. The conducted studies have led to the conclusion that smokers with experience have distorted not only contrast, but also color vision.
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