#HTE
http://www.sciencealert.com/a-new-invisible-film-made-from-healthy-corneal-cells-could-restore-vision-to-millionsAccording to the World Health Organization, 285 million people worldwide have some kind of visual impairment. About 14% of those with visual impairments are blind. Blindness is a …
http://www.notimpossiblenow.com/the-latest/invisible-film-treats-blindness