Pupillary Distance – A Descriptive Guide By Spectoo

Do you know what is the Pupillary Distance (PD)? Or how to find your PD? Why you should be aware of your PD? Most of you are certainly are unaware of the term Pupillary distance, aren’t you? That’s the reason why we have written this technical description. Hence here is the step-by-step guide to the PD. What is Pupillary Distance (PD)? It’s the distance from the centre of your right eye to the centre of the left eye. And to define the centre is the work of ophthalmologist (eye surgeon).

In case they put an inappropriate centre while measurement you would not be able to focus both of your eyes altogether. So, that’s a serious concern you must be aware of while going for eye treatment. Else if your PD is wrong you will face eye strain, fatigue, headaches and blurry vision & incorrect reflections, et cetera. PD is calculated in Millimetre (MM). This distance also varies from person to person also every time you are looking at different objectives the centre of your pupils is different. Like if you are looking at a thing placed 10ft from you the PD is different as compared to the PD that is while you are looking at a thing located 500Mtr from you.

There is also a Do It Yourself (DIY) trick to know your PD at home, do you want to know? Follow the below-mentioned steps for the same

  • Stand in front of a mirror just 10-12 inches away from it.
  • Hold a regular scale against your eyebrow.
  • Close your right eye then align the ruler’s 0 mm with the centre (Black dot in between of retina) of your left pupil.
  • The next step is to look straight into the mirror then close your left eye and open your right eye.
  • The mm number that is at the centre of your right pupil is your pupillary distance.

As per some internationally accepted standards for a woman 62mm and for men 68mm is the ideal PD apart from it 58mm to 68m is the range that every normal human being falls into.

If you still confused with your PD, unable to measure your PD at home or want to check your PD by the experts kindly get back to us. Till then keep your eyes protected with our cool eyewear collections.