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Most people use reading glasses between +0.75 and +2.50 diopters in strength, but the power of your reading glasses will necessarily increase as you get older. Therefore, there’s no one “average” power that most readers hover around.
Reading Glasses Strength For Up-Close Vision (approx. 12-14 inches away) 1. Without reading glasses on, hold the chart at a comfortable reading distance for you.
What strength reading glasses should I look for? The best way to find the right strength of reading glasses is to try on different pairs. Test how easily you can read standard-sized writing at distances that are comfortable for you.
Learn how reading glasses work and find what reading glasses strength is right for you. Reading glasses strength chart included! Our reading glasses use magnification to make small text larger and easier to read.
Most over-the-counter reading glasses start at +1.00 as the lowest reading strength and increase in +0.25 increments. If you currently wear reading glasses and find you have to hold what you’re reading further away than normal to read it clearly, you’ll need a stronger reading strength.
Reading glasses strengths vary. Low-strength reading glasses possess powers of +0.25 diopters. High-strength reading glasses can exceed +2.50 diopters. In rare cases, individuals may need reading glasses of up to +4.00 in order to read.
The strength of all reading glasses is measured in dioptre, with units increasing by 0.25 dioptre depending on the power of the lens. The power of reading glasses ranges from +0.75 dioptre to +3.00 dioptres.