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If you're ordering progressive lenses, your PD measurement suddenly becomes a lot more important. Here's why — and how to get it right.
You got your prescription right, picked the perfect frames, and waited patiently for your new glasses to arrive. But when you put them on, something feels … off.
If you’re ordering glasses online, you’ll likely see a box asking for your PD. But then you might notice two options: Single PD and Dual PD. What’s the difference, and which one should you choose? Let’s break it down in plain English.
If you've ever ordered glasses online, you've probably seen a little box asking for your "PD." Here's everything you need to know — in plain English.
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