0 to 180Degree Astigmatic Axis Achromatic Optical Systems are used for the measurement of the corneal radius curvature and accurate measurement of radius curvature of contact lens. These Achromatic Optical Systems are provided with simple vertical adjustable head and measures both meridians without changing optical systems. These Achromatic Optical Systems are offered with 0 to 180Degree astigmatic axis. 0 to 180Degree Astigmatic Axis Achromatic Optical Systems are available with 36 to 52 [in 0.25 Teps] Dioptre and dual eye level sighting unit.
