So, do carried ants also use optic flow?

那被抬着的蚂蚁也用光流来计算距离吗？

Which proves that they need eyesight—and therefore optic flow—to do it.

这证明它们需要视力，也就是要它们需要光流。

One assumption was that stripes affect the flies' optic flow via a process known as the aperture effect.

一种假设是条纹通过一种称为孔径效应的过程影响苍蝇的光流。