Ophthalmology The Most convenient form of cross cylinder is a combination of – A -0.5 Diopter sphere with +1 Diopter Cylinder B +0.5 Diopter sphere with -1 Diopter Cylinder C +0.25 Diopter sphere with -0.5 Diopter Cylinder D -0.25 Diopter sphere with +0.5 Diopter Cylinder π‘ Explanation The Most convenient form of cross cylinder is a combination of - β Correct Answer: A. -0.5 Diopter sphere with +1 Diopter Cylinder