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Ezyaid PD Ruler with Instruction Manual - Pupillary Distance Ruler for Pupil Distance Measuring, PD Measurement Tool for Prescription Eyeglasses, Include Eye Care Tips
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Ezyaid PD Ruler with Instruction Manual - Pupillary Features
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Instruction Manual Included: Ezyaid PD ruler packaged with well-made instruction manual, no need to look for how to use the PD elsewhere, save lots of your time and energy
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Markings on Both Sides of Ruler: convenient and comfortable to use with either your right or your left hand, can also be used to measure eyeglass frame for lens replacement
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Ezyaid Care Your Eyes: Instruction manual include eye care tips on how to reduce the risk for myopia in children
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Easy to Use: Straight edge with nose bridge design, well positioned and perfectly match on nose making the PD measurement easily and accurately, helping to get more precise values for single PD or dual PD of each eye
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What You Get: 1 plastic PD stick ruler for Pupillary Distance (PD) measurement, 1 special well-made instruction manual, and eye care tips
About Ezyaid PD Ruler With Instruction Manual - Pupillary
PD ruler is a must have measuring tool used to measure pupillary distance when ordering glasses online. Pupillary distance is the distance in millimeters between the centers of the pupils of your eyes, which is usually not provided on prescription. Getting an accurate PD number is very important, there are free printable PD tools on the internet, but they are normally too soft (extremely bendable) and the measurement might be inaccurate, it will be very uncomfortable and harmful waring a glass that uses a wrong PD. Ezyaid PD ruler is well-made by professional ophthalmologist and tested for years. It also comes with a special made instruction manual, you don’t need to spend time looking for information on how to use it. Ezyaid provides you not only a PD measuring tool, we also care your eyes, scientific tips for eye caring are also summarized in the manual hoping that we all have a better vision in the future.
