Instead of seeing stars, an electrician who experienced a 14,000-volt electric shock to the left shoulder came away with star-shaped cataracts stamped on both eyes, doctors reported last week in the New England Journal of Medicine.
A cataract is a clouding of the eye's lens, which is a structure that helps focus light or an image. When the lens is clear, light passes through to the eye's retina -- a tissue located at the back of the eye -- where the brain processes the image. If the lens is cloudy due to cataracts, the result is blurry vision.
Cataracts are commonly caused by aging, so common that more than half of Americans have a cataract or undergo surgery to fix them by the time they are 80 years old. … Read more