ABO NOCE Basic Opticianry Prescription Transposition 2

Question 1

Transpose -3.00 +1.50 x 090 into minus cylinder form.

Accepted Answer

-1.50 -1.50 x 180

Answer

-1.50 +1.50 x 180

Answer

-3.00 -1.50 x 090

Answer

-4.50 +1.50 x 090

Question 2

What is the spherical equivalent of +2.00 -1.00 x 045?

Accepted Answer

+1.50

Answer

+2.50

Answer

+1.00

Answer

+3.00

Question 3

After transposing +1.00 -2.00 x 030, what is the new sphere?

Accepted Answer

-1.00

Answer

+3.00

Answer

+1.00

Answer

-2.00

Question 4

A prescription reads plano -2.50 x 160. What is its plus cylinder transposition?

Accepted Answer

-2.50 +2.50 x 070

Answer

+2.50 -2.50 x 070

Answer

plano +2.50 x 070

Answer

-2.50 +2.50 x 160

Question 5

Which step is performed LAST when transposing a prescription?

Accepted Answer

Rotate the axis 90°

Answer

Change the cylinder sign

Answer

Add sphere and cylinder

Answer

Record the new sphere

Question 6

Transpose -0.50 +2.00 x 110. What is the new axis?

Accepted Answer

020

Answer

200

Answer

110

Answer

090

Question 7

The power cross for -1.00 DS shows which values in both meridians?

Accepted Answer

-1.00 in both meridians

Answer

0.00 in both meridians

Answer

+1.00 in one meridian only

Answer

-1.00 in one and 0.00 in the other