Felix Gray Roebling +1.5 Strength Blue Light Reader Glasses (with case & cloth) Sazerac Crystal roebling_c8_r1p5 - Best Buy
Reading glasses strength by age varies from -0.50 to 8.00 diopters.
Amazon.com: 4-Pack Blue Light Blocking Reading Glasses for Men Stylish Metal Frame Readers with Comfort Spring Hinges Anti Glare UV Filter Eyeglasses , +3.0 STRENGTH : Health & Household