Cylinder
0.00 ~ 8.75D (step: 0.25D / 0.5D / 1D / 2D / 3D)
Axis Angle
0 ~ 180°(step: 1 / 5 / 15 / 30 / 45°)
PD
far: 48 ~ 80 mm close: 45 ~ 75 mm(step: 0.5/1.0mm)
Retinoscopy
+1.5D, +2.0D (measuring distance 67cm, 50cm)
Sphere
Range:-19.00~+16.75m-1 Step: 0.25m-1, 3.00m-1
Front Chin Test
Range: 0~16mm
Rotating Prism
Range: 0~20, Step: 1
Pupil Distance
Range: 50~75mm Step: 1mm