Quiz 3

Question 1

Transpose the following into cross cylinder form:

-1.25 -0.37 x 180

Answer 1

-1.25 x 090 , -1.62 x 180

Question 2

Transpose the following in cross cylinder form:

-1.00 +1.12 x 45

Answer 2

-1.00 x 135 , +0.12 x 045

Question 3

Combine the following cross-cylinders and write them in both plus and minus cylinder:

+0.25 + 1.00 x90 (combined with) -0.50 +1.00 x180

Answer 3

+0.75 sphere

Question 4

Combine the following cross-cylinders and write them in both plus and minus cylinder:

+1.00 x35 (combined with) -2.00 x35

Answer 4

plano -1.00 x 35 , -1.00 +1.00 x 125