Astigmatic axis O to 180 head to fit patient.
The achromatic optical systems to exact dimension of the corneal radius curvature and precise measurement of span curvature of get in touch with lens.
Dual eye-level discovery system. Determining range: Radius of curvature, 9.5 – 6.5 mm (in 0.25 mm steps).
Dioptre 36 – 52 (in 0.25 steps).