Prescription glasses are the eyeglasses that have prescription number on the lenses so they can correct the vision problem such as myopia. When people utilize their eyes excessively and mistakenly, it will cause myopia, especially for students. Myopia is mostly got by students and people who deal with paper works. Also there are some kids are born myopia that is because of the genetic factor. These people need to wear corrective eyeglasses to correct their vision into the normal state. Wearing the prescription eyeglasses is the safest and easiest way to correct your eye vision.

If you have been sure to get the myopia, the next thing is to buy a pair of prescription eyeglasses as soon as possible. But that does not mean you have no idea at all about what will happen in the buying eyeglasses. You should make the first decision where to get your eyeglasses. Basically, you can buy them on your local place eyeglasses shops. Another choice is to get them online. They both have advantages and disadvantages. The prices in the local glasses shops are usually very expensive but there are usually professional opticians helping you choose the eyeglasses. While the eyeglasses online shops are much cheaper. But you need to choose the frames and lenses by yourself.

When you start to choose prescription eyeglasses, you should have clear understanding about your eye problems if they are short-sightedness, whether there is astigmatism or not, do you have a high degree or not, etc. For lenses, they can be designed into many types like single vision, bifocal, trifocal and progressive eyeglasses. So be clear about which kind you need.

If you have a really high degree which will make the lenses thick, then you’d better to choose high refractive index lenses which will be thinner and make your eyeglasses lighter. You can choose non-spherical lenses which can make the center of the lenses less thick. If you want to reduce your eyeglasses weight, choose light lenses materials like plastic, polycarbonate lenses. Such materials are much lighter than glass. And in addition, they have better anti-ultraviolet function. What is more, polycarbonate lenses are right for kids and sports lovers and athletes because they are hard to break up. People who have astigmatism need cylindrical lenses, but if your astigmatism is mild, it can be negligible, with concave spherical correction on it will be ok.

Still there are many you need to pay attention and take time and efforts to learn. It will help you get a pair of perfect and satisfied eyeglasses. Once you know your condition well, it will be easy for you to choose.