translation.en: We've developed 3D-printed, low-cost hardware that comes in at less than five dollars to produce, which can then be clipped onto a smartphone and makes it possible to get views of the back of the eye of a very high quality.
translation.zh: 我们开发了通过3D打印制作的 低成本的硬件， 制作所需的费用少于5美元， 这个硬件能够直接 连接到智慧型手机， 使得手机拥有能够看到 眼睛内部的仪器 画面质量很高。