Nearsightedness can be determined by eye exam, measuring in diopters by the strength, and the prescription is a negative number, the higher the number is the worse the eye's condition is. Nearsightedness is divided into three levels by the number, low myopia (0.00 to -3.00 diopters), medium myopia (-3.00 to -6.00 diopters) and high myopia (-6.00 to -10.00 diopters).
Dialvision Software daily life attention eye care, can alleviate symptoms, such as peacetime attention to mental relaxation, feel the eye tired when appropriate rest; Try not to look up, put the television or computer in a lower-than-eye position, and watch TV or use computer time should not be too long ; a desk, a computer monitor is placed in a place that is not exposed to direct sunlight, because the reflection of light on the lighting can cause eyestrain; maintain a certain humidity in the room. Moonfire Dialvision wearing sunglasses or hats and other shading things when out.
Nearsightedness can also be divided into simple myopia, degenerative myopia, nocturnal myopia, pseudomyopia and induced myopia by their clinical appearance. Fortunately, nearsighted eye can be corrected by eyeglasses or contact lenses simply. If glasses or contact lenses are not favorable, nearsighted people can choose refractive surgery, such as LASIK and PRK, in which a flap is cut through the top of the cornea by an excimer laser.