The "white cane" that many blind people rely on for navigating the world hasn't been upgraded in a century, but researchers are reporting progress on a "robo-cane" they hope will modernize the assistive device.
Children whose mothers had diabetes during pregnancy are at increased risk for severe forms of common eye problems such as far- and near-sightedness and astigmatism, a long-term study suggests.
Sunglasses are often considered a fashion statement, but one expert says the style you choose is less important than picking a pair of shades that best protect your eyes from the sun's damaging rays.
