1. First, take your face selfie with your mobile phone from a distance about 12 to 15 inches from your face.
  2. Make sure to hold the credit card strip front, below your nose and middle of your face. (Mandatory)  
  3. You may ask why I need a credit card when I take my selfie. The answer is the credit card is universal standard size to calculate properly with your face.
  4. Transfer the image to desktop or laptop, and save as an image file.
  5. After saving the image, go to www.pupilsdistance.com and register with a username and password.
  6. Then you will be able to upload your face image file from your computer.
  7. Once the face image opened, follow the below steps:
    1. Click on the middle of your nose on the image.
    2. Click on the middle of your right and left pupil.
    3. Click top right and left corners of the credit card.
  8. The total PD measurement will appear at the bottom of the box. You may get different PD measurement of your right and left.
  9. Please use the mono PD when you place the order for your eyeglasses.
  10. Your face image will be deleted from our website after successfully taken the PD.

Mono PD

To get perfect PD please use laptop or desktop, not mobile phone


Pupil to Pupil distance or PD is the measurement between your eyes from pupil to pupil. It is mainly expressed in two ways; one being Binocular PD which gives the measurement between your pupil and the other is Monocular PD which gives the distance from the bridge of your nose to each eye. PupilsDistance.com uses advanced technology to measurements the PD to custom-make your prescription lenses giving our customers clear vision. Having a correct PD on your reading glass ensures that you are looking through the ideal spot in your lenses and there you get a clear and proper focus. If your measurement is provided by the optician and if you face any difficulty in using the prescribed glass, you can measure PDP by yourself.

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