The base curve reading of a warped lens through a radiuscope is most similar to which lens type?

The base curve reading of a warped lens through a radiuscope resembles that of a back toric lens because both involve specific curvatures that accommodate astigmatism correction. In a back toric lens, the back surface has two different radii of curvature, which helps to align properly with the irregularities of the cornea in patients with astigmatism.

Warped lenses often occur due to improper fitting or manufacturing, resulting in a lens that doesn't conform uniformly to its intended curvature, similar to how back torics are designed to manage different curvatures for optimal vision. The radiuscope measures these variances in curvature effectively like it would for a back toric lens, reflecting the tailored design required to address varying degrees of astigmatism.

In contrast, other lens types like front toric, aspheric, or lenticular are designed with different characteristics or purposes that do not relate as directly to the curvature measurements seen in warped lenses. For example, a front toric lens would have its toricity on the front surface, which changes the shape and how the radiuscope would read it differently than a warped lens. Aspheric lenses provide a gradual change in curvature, not necessarily focused on the distinct curvatures needed for astig