Reading Glasses Prescription Calculator
Reading Glasses Eye Test Chart
1) Download and print a hard copy of the following .pdf file at 100% (when your computer's "print dialog" appears, be sure "scale" is set to100% and "scale to print media" is not checked). If your computer prompts that part of the page will be cut off, ignore that. We've prepared the document with large margins to account for that possibility.
Do not view the chart on your computer screen. Computer monitors differ in size and resolution. So be sure to work with a printed hard copy to assure accuracy.
Instructions to help establish if the page your printer output is the right size, and how to determine the right diopter strength for you, appear in a brief paragraph toward the top of the page you’ll print.
2) If your print-out doesn't print the right size as indicated in the instructions, please click here to request a hard copy be mailed to you. It will be our pleasure to send you a FREE printed Reading Glasses Prescription Calculator to enable you establish your ideal strength. (Be sure and let us know your physical mailing address).
3) Determine your strength. With the printed Reading Glasses Prescription Calculator in your hand, hold the chart at a comfortable reading distance, usually about 14 inches, from your eyes (or 28 inches for use in front of a computer screen). Read it WITHOUT WEARING CONTACT LENSES OR EYEGLASSES. Reading from the bottom, note the first line you have difficulty reading. The lens strength that appears on the line you’re having difficulty reading is your strength. It's the diopter strength you should order.
The material provided on this site is for informational purposes only. It is not meant to replace the advice of your eye care professional. Have your eyes examined regularly and always follow your eye care professional's instructions. If you experience any pain, discomfort, or visual distortion, consult your eye care professional immediately.
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