Place of Origin
Haryana, India
Brand Name
SCIENCE & SURGICAL
Model Number
MODEL NO. SS-987
Product name
Refractor Head - Manual
Spherical power
-19.00 D to +16.75 D in 0.25 D step
Cylinder power
0 to -6.0 D and 0 to -8.0 D ( with auxiliary cylinder lens
Cylinder Axis
0° to 180° in 5° step
Rotatory Prism
0 to 20 in 1 step
Pupillary Distance adjustment
50 to 75 mm in 1mm step
Forehead Rest adjustment
16 mm