magnify photo, make sure — measure 1" What power reading glasses do you need?
when determining your reading glasses power follow the simple steps below:
1.hold photo 14 inches away from your face,without glasses on.
2.start reading the chart below beginning with the top row. if you cannot read the top line clearly move to the next row.
3.repeat this process until you can clearly read an entire row.
4.when you reach a row you can clearly read, the reading glasses power that best suits your eyes is located to the right of that row.