When fitting prescription glasses, it is important for lenses be correctly aligned with each eye and therefore mounted the correct distance apart. For this reason, we have devised a method to accurately measure the so-called interpupillary distance via the webcam and using a reference object for size.
This would entail putting an overlay on top of the webcam video feed saving the webcam image + overlay. Plugin ask the user to position themselves in the video with a credit card held up to their chin such that (allows the plugin to get a point of reference to determine measurements the optometrist).. , eventually the user click “attach his PD image to his order ”…, So the optometrist could verify any placed order buyer’s PD measurements before shipping.. To try this plugin: In the demo link Click the button “Measure your PD & attach it to your order”.. to measure your PD and attach it to an already placed order

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