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