Purpose: To analyze the feasibility of fitting keratoconus with non-keratoconic rigid gas permeable (RGP) contact lens, and also to find a simple rule for the base curve of the contact lens.

• 摘要目的：分析以一般高透氧硬式隐形眼镜来矫正圆锥角膜病患的结果，并尝试找出简单的装配原则。