ANSI Standards Flashcards
1
Q
Cylinder Axis 0.25-0.50
A
7 degrees
2
Q
Cylinder Axis 0.50-0.75
A
5 degrees
3
Q
Cylinder Axis 0.75-1.50
A
3 degrees
4
Q
Cylinder No-Line Progressive 0.00-2.00
A
0.16D
5
Q
Sphere No-Line Progressive >8.00
A
2%
6
Q
Cylinder No-Line Progressive 2.00-3.50
A
0.18D
7
Q
Cylinder No-Line Progressive >3.50
A
5%
8
Q
Sphere No-Line Progressive 0.00-8.00
A
0.16D
9
Q
PD/Horizontal Prism >2.75
A
2.50mm
10
Q
Cylinder Power SV FT 0.00-2.00
A
0.13D
11
Q
Cylinder Axis >1.50
A
2 degrees
12
Q
Cylinder Power SV FT 2.00-4.50
A
0.15D
13
Q
Cylinder Power SV FT >4.50
A
4%
14
Q
Sphere Power SV FT 0.00-6.50
A
0.13D
15
Q
Sphere Power SV FT >6.50
A
2%
