1
Q
F1= +6.00
F2 = -2.00 at 90
-4.00 at 180
Rx in Minus Cylinder:
A
+4.00 -2.00 x 090
2
Q
+4.00 -2.00 x 090
Is the lens design plus or minus cylinder?
A
minus cylinder
3
Q
F1 = ? F2 = -9.00 at 090 -10.00 at 180 F total= -1.00 at 090 / -2.00 at 180 What is F1?
A
+8.00
4
Q
Is the lens plus or minus lens design?
A
minus cylinder
5
Q
In labeling the optical cross for toric transposition, the CC is the strongest back curve, the TBC is the weakest back curve, and the BC is the base curve on F1 when the lens is minus cylinder design.
A
True
