10 - Sphere and Spherocylinder Prism Flashcards
1
Q
Practice decentration in two different directions with sphere rx.
A
1
Q
How do we solve for decentration when it has been moved in two directions?
A
Solve each prismatic effect seperately.
2
Q
How do we find the direction of the decentration when along a certain meridian? see page 10 in 10 PP
A
3
Q
Practice decentration in two different directions with spherocylinder rx.
A
4
Q
What is a major Meridian?
A
Horizontal and vertical prism in the same lens- 090 + 180
5
Q
What is a Oblique Meridian?
A
Anything other than 090 and 180
6
Q
Practice finding affect of decentration in oblique meridians in two directions
A
