Ophthalmology General a552ff3d True statement about Jackson's Cross - Cylinder test is A Used for subjective refinement of spherical error B Most commonly uses -0.5D sphere with +0.5D cylinder C Uses spherocylindrical toric lens D All of the above High-Yield Explanation It is used for subjective refinement of cylindrical error. Most commonly uses -0.5D sphere with +1.0D cylinder.