Several thing you should know before you order glasses online!
There are things you do not know before! 1/ Read your Rx and see if it has PD What's PD? It is your pupil distance. Sometimes your prescription does not show this. But it is very important. For example if your PD is smaller than your actual measurement, your pupils would become closer, that is cross-eye. Do make sure your optometrist write it down. If you can not get in touch with your optometrist, do not worry, here I have a DIY steps for you on how to measure your PD . 2/Find the appropriate frame that fits your PD Almost 95% of people would never encounter such situations. However if your PD is too small(<55) or too big(>74), you must pay attention to the Frame width of the glasses. For example, as an adult, if your PD is lower than 55 mm, you should not choose frame width that is longer than 48 mm. More specifically, the frame width plus the bridge should not over 68 mm. Every quality glasses website should have this data. If you could not find this, then you s