For Selecting the Proper Strength of reading glasses
- Click on the link at the bottom of this page to download the PDF version.
- Print this document as it is.
- If you are already wearing glasses, remove them.
Read down the chart below from your normal reading distance, about 14in (35.5cm).
When the text becomes difficult to read, note the dioptre figure on the right.
The dioptre value indicates the strength of the lens that you require.