Do you know what is astigmatism computer glasses lenses?
General we go to the store optometry, will encounter the optometrist said the degree is how much astigmatism is how much. Degrees on behalf of a person the degree of myopia or hyperopia, a lot of people have a sense of degree of perception, but for the lack of understanding of astigmatism, what is astigmatism, what is the astigmatism computer glasses lens? Astigmatism lenses, can also be called cylindrical glasses for computer use , as the name suggests, its face from the cylinder, and even said that the cylinder is a special cylinder. From the figure can also be intuitive to understand that the astigmatism lens is only a symmetrical structure, so once the cylinder tilt, the imaging that changes, so the astigmatism lenses are required to mark the axis, that is, the lens in the center of the lens rotation, its The angle of rotation. What about the imaging effect of such a lens? Can be a simple experiment, take a cup of water filled with water, through the cup to see the object, which is similar to astigmatism eye imaging. But the cup of "astigmatism" is very large. For the human eye, the astigmatism is also characterized by blurred vision, but in a certain direction there is a certain degree of stretch, the greater the degree of astigmatism, the greater the degree of anti glare glasses for computerstretching. After astigmatism lens correction of astigmatism, the material will be more clear computer glasses. Eyes are the windows of the mind, with a pair of beautiful eyes is all the beauty of the people aspire to things, but the modern daily life is always invisible to our eyes cause serious harm, then, today we speak How to do care for our eyes. 1, the eyes around the skin is extremely weak, make-up or remover when the action to be gentle, avoid pulling the skin hard. 2, draw the eyeliner to not pull the eyelid principle, for the sake of convenience, you can use dry puff gently press on the surface to stabilize the position of the hand, it is not easy to draw the wrong computer glasses position. 3, wash the face, with cotton wiped the skin around the eyes, better than with a rough towel. 4, wear contact lenses, do not pull down the eyelids, if you want to wear a lens, you can gently pull the upper eyelids. 5, do not develop a wipe eyes, squint eyes, blink of an eye bad habits; 6, sunny time to wear computer gaming glasses . 7, should not lose weight, dieting, resulting in malnutrition or sudden decline in weight of the phenomenon, because the rapid changes in fat will affect the skin elasticity. 8, every day to drink plenty of water, at least eight cups, especially in the morning to get up at night is not suitable for drinking too much water. More than eight eye care tips, you know how much! Regardless of the usual there is no attention, and now read, we must begin to pay attention to slightly!