Today purchasing a pair of eyeglasses has become very easy online
, provided you are aware of a few basic particulars that are necessary to purchase glasses online. If you are an existing holder of rx glasses then it is much simpler process to buy these glasses online.
There are seven particulars that you have to follow. Firstly always keep your prescription with you. Your optometrist will provide with a valid prescription after an eye check up. Now it is your turn to note down few vital information from your prescription. There are three columns in your prescription which should be always considered such as the sphere, cylinder and axis. These three columns will have two rows one right and the other left. Your prescription might specify abbreviations like OD and OS. These six numbers in the prescription will define the way the lens will be curved. Your online retailer will ask for all these information. Another important number in your prescription is Pupillary Distance or PD. This is the distance between your two eyes.
Your prescription might even have two other numbers that is the temple length and bridge size. These numbers can be figured by you. The bridge measurement is the distance between lenses and the height denotes the difference between the highest and the lowest point of the frame. Temple length will denote the length of the two bars that connect the glasses to your eyes. Now it is your turn to choose a perfect frame that will suit your face. Pick out a few frames you like, for example, if you have an oval face then any sort of frame will suit your face or if you have a round face you can go for rectangular or hexagonal pair of glasses. The best option for you is to measure your existing glasses and then start looking online.
The time has come for you to place an order. After you have selected your frame, you have to enter the details of your prescription. Then you have to specify the coating and any add-ons if you need. You have to choose whether you want anti scratch or anti reflective lens or photochromic lenses. The choice of frames and lenses will depend on the frequency of your wearing glasses. If you are wearing glasses on a regular basis then the above specifications should be carefully analyzed. But it is mostly seen that buying glasses online can be relatively cheaper and much less time consuming. Be careful of on thing never compromise with the quality.