Jackson Cross – Cylinder Set

Set of 3 Jackson Cross Cylinders with 0.25, .50 and 1.00 lenses. Used to determine orientation of astigmatism correction, the power of the astigmatism correction and the axis.

Description

Set of 3 Jackson Cross Cylinders  with 0.25, .50 and 1.00 lenses. Used to determine orientation of astigmatism correction, the power of the astigmatism correction and the axis. Lenses are 35mm with axis markings and handles are 70mm long.