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Pupillary Distance

Posted by yue shen on

What's pupillary distance(PD)? Pupillary distance (PD) is the distance between the center of your pupils, which is measured in millimeters.  When you are going to have a pair of prescription eyeglasses, this is an important number because it tells the lens maker where to put the optical center on each lens. If PD doesn’t match up with the optical centre of lenses, you may feel discomfort and difficult in seeing.   Why is the PD different for each eye? The word called Monocular PD means the distance from the center of one pupil to the center of your nose. You will have two numbers if...

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How to making prescription glasses / spectacles?

Posted by ucansee U on

The following steps are showing how to making prescription glasses or spectacles. 1. Inspecting spectacles frame and prescription lenses according to the information on optometry prescription.   2. Making / Scanning Pattern, there are three methods: A. Hand made pattern (for semi-auto lens edger) Tools: knife, plier, file, template, pattern lens in frame, pattern drilling machine B. Scanning pattern lens (for auto lens edger), saving parameters Device: Pattern lens scanner C. Scanning frame (for auto lens edger), saving parameters Device: Frame scanner   3. Marking the “optical center” of the prescription lenses. Device: Lensometer   4. Affixing adhesive tape and...

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Why not buy from official website directly?

Posted by ucansee U on

Compared to the similar products third-party platform stores, such as eBay, Amazon, etc.. The official website's products and after-sales service are basically the same, but the price can be lower because there is no high transaction fee. It means you can buy the same products and services at a lower price. Why not buy from official website directly? These US shipping products will be delivered fast.

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Optometrist motorized work table

Posted by Junwei Wang on

Small Optometrist motorized work table

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What are lenses in different pieces trial lens set?

Posted by Junwei Wang on

Generally, trial lens set has 48 piece, 104 pieces, 158 pieces, 266 pieces and etc. All these pieces lenses including accessories lenses. Following is the specific lenses list: 1. Trial lens set 266 pcs Spheres: 40 pairs each of concave and convex 0.12D 0.25D to 6.00D in 0.25 steps 6.50D to 10.00D in 0.50 steps 11.00D to 14.00D in 1.00 steps 16.00D to 20.00D in 2.00 steps Cylinders: 20 pairs each of concave and convex 0.12D 0.25D to 4.00D in 0.25 steps 4.50D to 6.00D in 0.50 steps Prisms: 12 pieces 0.5 (2), 1.0 (2), 2.0 (2), 3.0-8.0(1) Accessories:14 pieces...

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