LEDs for the Blind

boowax writes "Tired of being blinded by those annoying laser pointers that have found their way into all sorts of places for the convenience of corporate presenters? Looked too closely at the underside of your optical mouse? Are you just dumb enough to look directly into a laser? Well, fret no more, for here is a new technique for stimulating and healing those damaged retinal cells using LEDs. Its also being tested for use in treating similar problems caused by mucositis (a side effect of chemotherapy) and other eye related maladies."