Soft toric lens fitting Flashcards
1
Q
From what cyl rx would you consider fitting toric lenses?
A
-0.75DC
2
Q
Where should the markings on a toric lens sit on the eye?
A
Dependent on lens type, but 9, 3 and 6 o’clock
3
Q
What causes lens rotation?
A
Lid/lens/cornea interaction
4
Q
If you change the axis of a lens, where will the markings be on the new lens? i.e. does the lens still rotate?
A
In the same place as the previous lens
Yes, the lens still rotates but the axis will now be sitting in the right place