“视觉的”用英语怎么说

我们致力于提高视觉的敏锐度。We work on improving visual acuity.视觉的意义对不同的蛇是不一样的.The importance of sight varies enormously between snake species.提出了一种基于人眼视觉的图像边缘检测的新算法.A new edge - detecting algorithm based on human eyes'regulation...