作业帮电脑的坏处英语作文
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电脑的坏处英语作文
电脑的坏处英语作文
电脑的坏处英语作文
▲ vision harm: the use of computer, the eyes the mostvulnerable, especially easy to cause the juvenile myopia andciliary spasm. These are called "computer vision syndrome"disease is a kind of pressure type diseases, because eye long time staring at one place, blink and usually only 1/3, thus reducing the secretion of intraocular lubricant. So long, in addition to cause eye fatigue, heavy shadow, blurred vision, will cause other discomfort. In front of the screen should blink, in order to increase the lacrimal gland secretion, moisturizing eye.The most effective method is the proper rest, eat more foods containing vitamin A, rhodopsin supplement on the retina, such as carrots, cabbage, bean sprouts, tofu, red dates, oranges,milk, egg, animal liver, lean meat and other.