The electromechanical reshaping technique successfully flattened this rabbit cornea, shown in a cross section, from its original shape (white line) to a corrected one (yellow line). Credit: Daniel Kim and Mimi Chen Millions of Americans have altered vision, ranging from blurriness to blindness. But not everyone wants to wear prescription glasses or contact lenses. Accordingly, hundreds of thousands of people undergo corrective eye surgery each year, including LASIK—a laser-assisted surgery that ...