how to measure PD

mochila jordan yupoo-0
    The unit of the pupil distance is millimeters. Please measure multiple times, measure at least 5 times, record the data and calculate the average value. The correct pupil distance can make the prescription lens made more comfortable to wear.
chanel ski mask rm jersey acronym jacket ariana grande bracelet celine passport holder off white down jacket yupoo yupoo replay jordan 13 cheap yeezy season 3 sweatpants lacoste bomber jacket green jordan 12 ovo sale vlone air force 1 release date shoe levitation display perverted clown saint laurent cabas tote tie dye vans supreme bape shark hoodie lil mayo hoodie jeff yeezy dhgate calvin klein walker jacket fake nmds for sale ovo cheap clothing fear of god boots for sale burgundy nike sb shoes peter saville raf simons bape camo windbreaker supreme north face world jacket dita birch glasses air uptempo shoes patagonia camo jacket