The first leading cause of blindness, as estimated by WHO, is glaucoma. Glaucoma can be treated with surgery but the blindness caused by glaucoma cannot be permanently cured. This smart lenses, developed by Tinrui Pan and Hailin Cong from UC Davis, can keeps tabs on the disease , upload data to the computer and can automatically dispenses medication for the next version.

Source: UC Davis

You might heard of the pill camera, the tiny camera that can snap every inche of your digestion system, but this pill is different. Researchers at Carnegie Mellon develop this robotic pill which can spread its legs and crawl your intestine without damaging it.

It would be hard for a doctor to ask his patient to swallow something that can crawl their intestine.

Source: NanoLab, Carnegie Mellon