By focusing a circle of light on the cornea and measuring its reflection, it is possible to determine the exact curvature of the cornea's surface.

通过将一束圆形光圈聚焦在角膜上，测量反射过来的光线，就能得出角膜表面曲率的确切数据。

youdao

Using the Ellipse Tool (U), again create a small circle but this time in front of the LOGO. This circle will be a reflection on the logo.

用椭圆工具，建立一个小的圆形放在LOGO前面，用此来制作光线效果。同样利用模糊。

youdao

Using the Ellipse Tool (U), again create a small circle but this time in front of the LOGO. This circle will be a reflection on the logo.

用椭圆工具，建立一个小的圆形放在LOGO前面，用此来制作光线效果。同样利用模糊。

youdao