Look near poor (nearsightedness) is the most common disease of the eye refractive errors. According to estimates by scientists, 30% of people in Europe and 60% u Asians were myopic. In most cases, the expression of refractive errors often occur before age 20. When it comes to surgery, the eyeball is lengthened, causing improper refraction of the light rays fall on the eyeball and focus the rays on the retina before instead.
đang được dịch, vui lòng đợi..
