Sphere Range: +16.75 to
-19.00 D (0.25 D steps)
Cylinder Range: 0.00 to
-6.00 D (0.25D steps) (0.00 to -8.00 D with
additional -2.00D)
Cylinder axis: 0 to 180
(in 5° steps)
Cross Cylinder: ±25 D
Rotary Prisms: 0∆ to
20∆, (in 1∆ steps)
Auxiliary lens dial:
(O) Open aperture (two
positions)
(R) Retinoscopic lens,
+1.50D
(P) Polarizing lens:
45° left eye, 135° right eye
(WMV) or (RMV)-Maddox
rod, Vertical
White-left
eye
Red-right
eye
(WMH) or (RMH)-Maddox
rod. Horizontal
White-left
eye
Red-right
eye
(RL) Red lens (GL)
Green lens
(+0.12)- +0.12D sphere
(PH) Pin hole
(10∆ L) or (6∆ U) -10∆
base-in-left eye, 6∆ base-up-right eye
(dissociating
prisms)
(±0. 50)- fixed cross
cylinder
(OC)
Occluder