Trend of the big box myopia glasses send dizzy and sick easily

Guide language: 25 yuan lady see friends after wearing glasses, like fashion beautiful she replaced conventional myopia glasses, also to match a pair of big glasses modified face. Unexpectedly, big glasses wore it didn't take long, just symptoms appear blurred vision, nausea and dizziness. Nowadays, glasses has not only is a tool for vision correction, also become fashionable young people dress up their own weapon. Everywhere small shop selling large rims. Not buy vice frame decorate oneself, myopic myopia after people buy the frames, go to glasses shop pair of glasses. However, the large box myopia glasses in bring fashion sense at the same time, also in quietly damage the health of the wearer. Chengdu commercial daily reporter recently interviewed experts and found that the wearer of a big box myopia glasses is easy to feel blurred vision, visual fatigue, dizziness, serious can cause strabismus. A check to the hospital, an eye doctor told her that rooted in her wearing big glasses. Originally, see friends after wearing glasses, think fashion beautiful she replaced conventional myopia glasses, also to match a pair of big glasses modified face. Unexpectedly, big glasses wore it didn't take long, just symptoms appear blurred vision, nausea and dizziness. Under the doctor's advice, she changed back to its original glasses, all the discomfort symptoms disappeared gradually. Yesterday, chengdu commercial daily reporter understands from west China hospital, city three hospitals, similar problem is not an individual phenomenon by ms yuan, two hospitals in the ophthalmic clinic often encounter this kind of cases. West China hospital optometry (liu qian, director of the center for explanation, the distance is fixed, two the pupil of the eye to the center of the lens in a respective axis. Wide and big glasses than the glasses, the distance between the two lens optical center is broadening. In this way, can cause eye pupil and focusing lens center deviation, forming a prism effect, lead to blurred vision, visual fatigue, it is easy to cause myopia. Lens optical center should correspond with the pupil into a line, west China hospital optometry center director liu qian told reporters, one of the lens is a convex mirror. When light into the lens, the light passing through from the pupil is not going to happen, directly into the retina; And other position through the light from the lens, refraction will happen. The lens refraction of light is gathered. In this way, the light will fall to the retina imaging. Why do people myopia after seeing the fuzzy? (liu qian explanation, after people myopia, the lens will be stretched, gathered on the light. When parallel light through the lens, the light is bent by into like just before the retina, so people see things will be blurred. Myopic lens belongs to the concave mirrors. Wear myopia glasses is equivalent to a concave-mirror divergent light first, and then through the lens, after make the light refraction on the retina, see clearly the myopia of man. (liu qian stressed, however, optical center and the pupil glasses ( Is the lens of the optical center) Must be on an axis, which ensures that after wearing glasses to see clearly. Pursuit of fashion and not forget that healthy adults distance between 60 to 70 mm, generally and many big glasses of optical center distance far exceed this limit. Wear for a long time, will affect eyesight, serious can cause strabismus. Wearing glasses, he suggested, citizens must glasses for institutions to professional, don't covet fashion and health. Conclusion: the pd is fixed, two the pupil of the eye to the center of the lens in a respective axis. Wide and big glasses than the glasses, the distance between the two lens optical center is broadening. In this way, can cause eye pupil and focusing lens center deviation, forming a prism effect, lead to blurred vision, visual fatigue, it is easy to cause myopia. Warn broad customer, the pursuit of fashion not forget health oh. Headline: tide big box myopia glasses easy cause dizziness disgusting article arrangement: glasses sunglasses factory network