Designers of corrected curve lenses primarily focus on which type of aberration?

Corrected curve lenses are specifically designed to address the challenges presented by marginal astigmatism. This type of optical aberration occurs when light rays that pass through the edge of a lens don't focus at the same point as those that pass through the center, leading to a blurred or distorted image. By incorporating corrected curve designs, lens makers can adjust the curvature of the lens to ensure that all light rays focus correctly, thereby significantly reducing the effects of marginal astigmatism.

This focus on improving image quality by mitigating marginal astigmatism allows for sharper, clearer visions, especially important in applications such as prescription eyewear or high-performance optical devices. The design modifications made in corrected curve lenses emphasize achieving a more uniform focal point across the lens surface, which is essential for optimal visual performance.