订阅以获得我们的产品更新和特惠活动! 获取我们的最新产品和特惠活动! 订阅 The typical pupillary length (PD) measurement is all around 63mm but it really can vary from Individual to individual. It is possible to ask for your PD measurement out of your optician when you get your prescription. It's also possible to very easily evaluate your PD oneself: https://rylanpiasj.jts-blog.com/26203270/examine-this-report-on-arv-471