Spectacle Rx:-3.25-1.00 x 180
K readings: 44.25 x 180/ 45.25 x 90
Vertex distance: 12mm
Using the data from above, the correct design of the CPC anf power of a contact lens fitting "on K" would be:
A) 45.25-4.25
B) 45.25-3.75
C) 44.25-3.25
D) 44.25-4.25