Do not choose pre-made reading glasses

[Bentley Eyeglasses]

Pre-made reading glasses are becoming more and more popular as they are allowing you to own several pairs for a small amount of money. Indeed they are much cheaper than customized prescription reading glasses. However, these kinds of reading glasses have many disadvantages, such as the location of the optical center of the lenses is not customized for you, and the prescription is the same in the two lenses, these eyeglasses are not fabricated especially for each wearer, so choosing customized reading glasses will be good to your eyes.

[Landon Eyeglasses]

For me, as long as you know the right prescription for your eyes. Over the counter reading glasses works for me.