Could bacteria replace your eye drops? Mice study says maybeIn A Nutshell -Researchers engineered a naturally occurring eye bacterium to secrete an anti-inflammatory healing protein directly on the eye’s surface -In mice, a single course of three bacterial applications kept the microbes active for 12 weeks and sped corneal wound healing -The bacteria preserved the eye’s normal immune defenses and did not increase susceptibility to infection -A human version of the therapy showed early promise in lab tests, but clinical use in people is still years away Forget the eye drops. Researchers at the University of Pittsburgh have engineered a...