"纠正散光的" can be translated into English as "correcting astigmatism" or "for astigmatism correction".
"Correcting astigmatism" is a direct and concise way to express the idea of addressing or fixing astigmatism.
"For astigmatism correction" is a phrase that can be used to describe products, treatments, or procedures designed specifically to correct astigmatism.
For example, in a medical context, you might say:
"This lens is designed for correcting astigmatism." （这款镜片专为纠正散光而设计。）
"The surgery aims to correct astigmatism and improve vision." （手术旨在纠正散光并改善视力。）