Need help choosing your lens strength?

1. Print this page on your printer. you cannot use this chart by looking at it on your computer screen because of the size and resolution differences between 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 test chart WITHOUT GLASSES from a distance of about 14 inches. The first line you have difficulty reading has the lens strength to the right. This is the correct optical power to order.

4. Remember if you do get the wrong strength our lenses are interchangeable so we can just send the correct strength to you and you swap them out and send the original lenses back to us! (not applicable to special order items)

TEYES standard lens strengths start at +1.0 and go up to +3.5 in half increments. We can also supply lens strengths in quarter increments and higher reader lens strengths as a special order item at an extra cost of £18.00. If you require a special order item please ring us on 0207 582 2348 and we will be happy to help Please note that ready readers have simple magnification lenses. If you have a prescription requirement please go to our prescription TEYES page where you will find more information or ring us on 0207 582 2347