How Do You Rate The Strength Of Non-Prescription Reading Glasses?
Non-prescription reading glasses are similar to the reading glasses that are prescribed by a doctor, but the lenses have some differences. Prescription strength, also called power (one way to rate the lenses) is usually designed the same in prescription and non-prescription readers, but how the lenses are made can affect how you see through them. If you know the basic differences between the two types of glasses, you can purchase your reading glasses with confidence. Rate the fit of the frames. Look for frames that fit you comfortably. Try on several pairs until you have a good idea as to what feels right for you. Frames should fit correctly on your nose and not slide down. The temples, also called armpieces, should fit gently around the back of your ear and have enough length to keep the frames from sliding down your nose. Rate the power. Look for the proper power or strength of lenses that you need. If you are unsure, a good rule of thumb is to start with a power of +1.00 (called dio
