Glasses can be categorized based on their use. They may be prescribed by the doctor or they may be used as a fashion item or may be used as sunglasses for protection against sun rays. Their style, material, and manufacture depend on their mode of use. A very large variety of manufacturing materials and styles is available. You can choose easily your own desired style and material for the frame.

One of the most used types of glasses is those prescribed by the doctor. People with weak eyesight use magnified lenses to make their visual clarity. These lenses are held in a frame. The frame may be made up of metal or plastic. Lenses may be of plastic or glass. Different styles and colors of frames are available in the market.
Purchasing new prescription glasses or changing your old pair is a time consuming work. You have to go to the doctor, who after checking your eyesight will give you a prescription. You will carry that prescription to the optician; he will show you the frames available at his shop. After selecting the frame and handing over your prescription to the optician, you have to wait for some hours or maybe for some days for your pair of glasses. It is time-consuming process.

Today the world is moving so fast that people don't have much time to spend shopping or going to markets. In the case of glasses prescribed by the doctor, it is very important to use them regularly. This regular use will shorten their life and you will need to change them regularly. This will take a lot of time. Job holders and other busy people can't afford this much time.

Computers and the internet have facilitated life in many ways. One of them is online shopping. Now you don't have to go to your local glasses shops. You can purchase everything sitting at your home. You only have to turn on your computer and purchase online whatever you want. It is easy and less time-consuming and you can select from a big collection. When you are specifically thinking about glasses, online shopping is the best time-saving opportunity. People with weak eyesight have the option to purchase prescription glasses online.

Only thing they have to do is an eye checkup. After having a prescription from a doctor, you can just turn on your computer, go to the appropriate website, select your frame, and submit the specifications given on the prescription. Pay them and that's all you have to do. Website management will deliver your glasses to your door.

Glasses are a very breakable thing, as well as they can be easily misplaced. So try to purchase discount prescription glasses to save your money.