Can someone please explain how to use this?

I'm guessing most people here are here because of Zenni Optical? :P Here's how to measure your PD: (1.) Place the 0 line over the center of your pupil in your right eye. Move the center piece to the middle of the bridge of your nose. Write down the number (in the picture, it's 2.8). (2.) Move the left piece so the line is in the center of your left pupil. Subtract that number from the middle number (in the picture, that's 5.7, so it'd be 5.7 minus 2.8, which is 2.9) (3.) multiply both numbers by 10. In the pictured example, your right PD is 2.8 * 10, or 28. Your left PD is 2.9 * 10, or 29.

Is this the same as USA version.

No it's not. I don't know how to use it myself. I am going to order one that I can understand. Don't get this one.

Yes, I did return mine because I could not get the proper measurements even with another persons help.

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TableRe 1X Measure Optical Vernier PD Ruler Pupil Distance Meter Eye Ophthalmic Tool

TableRe 1X Measure Optical Vernier PD Ruler Pupil Distance Meter Eye Ophthalmic Tool

Product ID: 442965772

Details

Are Batteries Included
No
Brand
Uoeo
Colour
White
Item Weight
1.44 Ounces
Material
Plastic

⚡lightweight 1.44 oz design

📏0-100mm precision range

🩺medical-grade PVC plastic

€ 31.56

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📏 Measure with confidence, lead with precision.

FEATHERLIGHT PORTABLE - Ultra-light 1.44 oz design fits effortlessly into any professional toolkit or lab coat pocket.
SLEEK COMPACT DIMENSIONS - Sized at 21 x 5 x 0.7 cm, it’s the perfect blend of portability and usability for on-the-go professionals.
TRUSTED BY HEALTHCARE PROS - Ideal for hospitals, pharmacies, and optical specialists aiming to deliver precision and care.
PRECISION AT YOUR FINGERTIPS - Accurately measures pupil distance from 0 to 100mm for flawless eyewear fitting.
DURABLE MEDICAL GRADE MATERIAL - Crafted from high-quality PVC plastic ensuring longevity and easy sanitation in clinical environments.

The TableRe 1X Measure Optical Vernier PD Ruler is a lightweight, durable pupil distance meter made from medical-grade PVC. With a precise measurement range of 0-100mm and compact dimensions, it’s designed for healthcare professionals and optical specialists seeking reliable, on-the-go accuracy.

Specifications

ASIN	B07T9J7WWJ
Batteries Are Included	No
Battery Description	Alkaline
Best Sellers Rank	#89,135 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #154 in Vernier Calipers
Brand Name	Uoeo
Colour	White
Customer Reviews	3.8 3.8 out of 5 stars (746)
Item Weight	1.44 Ounces
Magnification Maximum	1 x
Manufacturer	Upper fertile
Manufacturer Part Number	111us1905062104
Material Type	Plastic, Polyvinyl Chloride
Measuring Range	0-100mm
Model Number	111us1905062104
UPC	651743501332
Unit Count	1 Count

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