Early this month Miss Shen (a member of the ESH Department) arranged a vision care activity. She hoped we do not have high eye pressure.
Fortunately for me, My intraocular pressures were between 10 mmHg and 20 mmHg. I have the normal intraocular pressures.
Then I had an eyesight test. A health professional said I have low degrees of Myopia. And today I found the abbreviation ‘PD’. What’s the meaning of PD? I consulted the wiki and I thought ‘PD’ is the abbreviation for ‘Pupillary distance’. The typical pupillary distance for adults is around 54-68 mm, while measurements generally fall between 48 and 73 mm. And My pupillary distance is 68. It seems normal. And I googled the Opticians don’t want give you PD data. I felt it’s very strange why a 20 something women approach Golfnorth and sheepishly ask if Golfnorth could measure her ‘pupil distance’.
But I surfed Zenni: the #1 online eyeglasses store later on and wanted to order beautiful eyeglasses. I understood PD and OD are very important. So let ‘Opticians keep you away from ZenniOpt’.