U- Artificial eyeball

This is a scientific articles study essay, read and view technology articles and write about what your learned from those. Only need introduction section, which is about single-space 2 pages. The requirement is “Introduction will summarize the reasons why one is interested in the subject. Explain what are the merits and motivations to develop a novel/improved material.” Please put some images or equations may fit the contents. The Words need be full of 2 single-space pages.