I especially like it with an otherwise bare eye (except for some mascara maybe, but no liner on the bottom lash line), and I like it more still with an otherwise bare face. (theseventhsphinx.com)
First, bare eyes get clogged with dirt and are prone to infection, so a lens covering would be needed. (petbusiness.com)
«It is a macroscopic cloak that you can look at with your bare eyes and hold in your hands,» said Schittny. (sciencedaily.com)