How To Buy Reading Glasses From Prescription ⚡

Use this formula for each eye separately: .

If SPH is -2.00 and ADD is +2.25 , your reading power is +0.25 . how to buy reading glasses from prescription

Your eyes turn inward when reading, so your "Near PD" is typically 2-3 mm narrower than your "Distance PD". Use this formula for each eye separately:

To buy reading glasses using a prescription, you must use your distance and Addition (ADD) values to calculate the correct lens power . 1. Calculate Your Reading Power how to buy reading glasses from prescription

If SPH is +1.00 and ADD is +1.75 , your reading power is +2.75 .

Many retailers like Zenni Optical or Warby Parker offer online tools or printable rulers to measure this at home. 3. Choose Your Lens Type How to Convert Eyeglass Prescription to Reading Glasses