I wanted to take a moment to extend an apology to all of the OptometryStudents.com readers and fans, an apology due to the lack of new articles and innovation on the website over the last 3 months. Looking at the post history for the last 2 months I see 1 article for April and 1 …
Distance PD is the distance between the pupils when viewing a distant target. Near PD is the distance between the pupils when viewing a near target. Near Centration Distance (CD) is the distance between the visual axes in a spectacle plane when viewing a near target. Near PD is actually impossible to measure unless you …
