1. Keratometric measurements are commonly used in ophthalmology to assess the shape and curvature of the cornea.
角膜测量常常被用于眼科学，以评估角膜的形状和曲率。

2. The keratometric readings showed a significant astigmatism in both eyes.
角膜测量结果显示两只眼睛都存在明显的散光。