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Pupillary distance is a measurement we use to ensure that the focal centre of your glasses is fitted perfectly for you. We measure the distance between your eyes and use the middle of your nose as a reference point.Your PD measurement is taken when you place your order. The following steps will help you to carry out your own PD test online, using this simple tool. We will take three photographs with your webcam. Once you are happy with the photos click continue and they will be used to measure the distance between your eyes.
All you need is A PC/laptop with a webcam (the PD measuring tool is not currently available on mobile or tablet devices) and your Clubcard or a credit/debit card with magnetic strip (for measurement, not billing). Simple instructions will guide you through the PD measuring process.
Face your webcam and position yourself approximately 80cm away from your screen (pic 1). You may then be prompted to allow our measurement tool access to your webcam (pic 2). We’ll then take three snapshots of your face while you hold your Clubcard or credit/debit card below your nose (pic 3). Then simply click ‘confirm’ if you’re happy, or try again if you want to have another go.
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