corw1n
Re:Why are glasses so expensive? The eyewear industry prefers to keep ...
on Wednesday January 23, 2019 @05:20PM (#18983735)
Only problem is, if you look to close in the mirror, your pd changes because your eyes rotate to focus on the shorter distance. If you are closer then 1 meter to the mirror you should compensate. Up to 2,5 mm per eye if ur at 40 cm distance.(20cm from mirror)