Not a full lens diopter.
The remainder of the lens is a sunglass with no magnification.Sporty sunglasses and reading glasses in one, problem solved! Unisex Way Reading Sunglasses in Black with Gray Lenses by Foster Grant - Senate SunReaders® - +1.00 For every pair of Foster Grant® glasses you buy, a pair of reading glasses will be donated through Giving Back to people in underserved communities around the world. The Senate from Foster Grant® combines the best of both worlds with the 100% UVA-UVB protection you’d expect from a pair of sunglasses with the strengths you need to see in a reading glass.