Not exactly anyway: It's more about too much time spent indoors, researchers say
                                
                                
                                    (Newser) -
                                    Rates of nearsightedness are rising so quickly around the world that the phrase "myopia epidemic" is being tossed around. Everybody's squinting over their smartphones, laptops, e-readers, and other gizmos so much that tech must be to blame, right? Well, it plays a role, "but not in the...