Announcement
Collapse
No announcement yet.
Search Result
Collapse
2 results in 0.0059 seconds.
Keywords
Members
Tags
-
Is pupillary distance the same as axis?
When i order eyeglasses online, the online seller just keep asking me PD. I don't understand what does PD mean? Is it the same thing like axis?
-
What does axis mean on my contact lenses?
After an eye check, i got a prescription to buy contact lenses. And i saw there is a character "Axis". So, what does it mean ?