It is defended that modern eyes disease must be careful
The modern life has brought the new technology goods to people, new amusement way, too plenty for the eye to take it all in really, but can't careless new eye illness that bring to people:
First, fluorescent screen dry eyes.
Operate the computer for a long time or watch TV for a long time, eyes are watching the glittering fluorescent screen attentively, in the heart only think by content the ones among them,after can it feels that eyes are tired and not doing astringent and itch, not soring, that blurred vision, eyesight drops.
Someone calls this kind of phenomenon fluorescent screen dry eyes and ill or modern dry eyes, this kind of situation, especially teenagers are more serious. The tear that lachrymal gland of eyes secretes forms membrane of a layer of tears with blinking before the cornea or before the ball conjunctiva each time under the normal condition, play the wet cornea, conjunctiva and function of providing some nutrition for them. Still can prevent fragile cornea cells from damaging, then when the membrane of tears become thin to break gradually, people will blink finely and form the new tears membrane, it seems normal blink movements are very essential.
Generally speaking, it is about 15 times that people blink every minute, while reading, blink the number of times reduce every minute to 10 times, it operates the intersection of computer and eyes to be absorbed, blink 5 only minute while being every, surf the Net, play shed play, the tense scene made the player stare at the fluorescent screen, only blinked 3 times every minute.
Lose the intersection of tears and cornea that membrane protect, conjunctiva keep on it is difficult lubricate, clean, it is even apt to cause the bacterial infection, initiate other eyes diseases. So, should pay attention to reducing the time to watch the fluorescent screen attentively, while operating or watching, separate for an hour and have a rest for 15 minutes soon, blink repeatedly, look at the distant place afar, make eyes relax. Also eat more food containing vitamin A, carrotene such as animal's liver, cod liver oil,etc.. When eyes have dry symptoms, can drip some eye drops appropriately.
Second, white and light pollution.
Architectural at tall and big modern times to often hold wall brick, marble,etc. polished some glass curtain walls, glazes, they, until sunshine strong, will to reflect out the dazzling white light around, this is white and light pollution. Living and working for a long time will damage retina and iris of the eyes in the white and light environment that pollutes, make eyesight drop suddenly, the morbidity of cataract can also be up to 45%.
Third, colorful light pollution.
Modern dancing hall, night club the intersection of black light and light, rotation that place of entertainment install light and various colored to throw smooth to form colorful light pollution. The black light light can produce the ultraviolet rays of 25%- 30% nanometers of wavelength, is much higher than the wavelength of the sunshine ultraviolet ray.
Fourth, manpower daytime.
A lot of modern business streets spread all over and stand in great numbers, in evasive neon light, the advertising case light is dazzling, in addition, the ear-piercing music can often surpass night in daytime. This is the manpower daytime of people's call.
Field expert say, place oneself in the midst of such an occasion apt to make people feel black-and-white to reverse finally, interfere with human body's normal biological clock, so the person working every daytime tries hard to be little to go to such a place at night.
Eyes disease It is defended that careful
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