To begin, print this page on your printer. You cannot use this chart by looking at it on your computer monitor due to the size and resolution differences among computers.

Choosing the correct magnification is quite easy. From a distance of approximately 14" (without glasses), start reading the largest type in the box above and read upward until you have difficulty reading a line. Look at the corresponding diopter. It will indicate the proper magnification selection for you. Make a frame selection, then choose the proper diopter/power.