We work on improving visual acuity.

我们致力于提高视觉敏锐度。

We will then have an objective measure of how colour discrimination and visual acuity develop at the level of the brain.

我们随后将进行一项客观的测量，看色彩辨别力和视觉敏锐度如何在大脑的层面形成。

Common symptoms include reduced visual acuity, visual distortion (metamorphosia, macropsia and micropsia).

常见病征包括视力减退、影像扭曲（变形、变大或缩小）。

Ocular albinism impairs visual acuity.

眼部白化损害视力。

We don't lack visual acuity, but vision.

我们缺的不是敏锐，而是视野。