Selecting the Proper Strength for Reading Glasses
1) 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.
2) The chart below is exactly 5 inches wide. Please make sure it is 5 inches wide on your printed copy.
3) To find the strength you need, read the following Comfort Chart WITHOUT GLASSES from a distance of about 14 inches. The first line you have difficulty reading has a lens strength to the right of it.
ATTENTION: Ready-to-wear non-prescription glasses are not intended to replace prescribed corrective lenses or examinations by an eyecare professional. Regular eye check-ups by a qualified professional are necessary to determine your eye health status and vision needs.