Your eyes turn inward when reading, so your "Near PD" is typically 2-3 mm narrower than your "Distance PD".
If SPH is +1.00 and ADD is +1.75 , your reading power is +2.75 . how to buy reading glasses from prescription
If your prescription has Cylinder (CYL) and Axis numbers, copy them exactly; they do not change for reading glasses. 2. Adjust Your Pupillary Distance (PD) PD is the distance between your pupils in millimeters. Your eyes turn inward when reading, so your