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Augmented-reality glasses can upgrade our view of the world with digital images and data. However, even industry titans such as Google and Microsoft have failed to devise augmented-reality headsets that aren’t bulky, cause headaches, or both. Now, with a combination of 3D holograms, artificial intelligence, and the kind of physics that make invisibility cloaks possible, researchers have developed a wearable full-color 3D AR display as comfortable to wear as eyeglasses, a new study finds.Whereas virtual reality (VR) headsets envelop a person’s field of vision, blocking their view of the real world, augmented reality (AR) headsets superimpose ...... Read Full article on HadNews

Myopia, or the need for corrected vision to focus or see objects at a distance, has become a lot more common in recent decades. Some even consider myopia, also known as nearsightedness, an epidemic. Optometry researchers estimate that about half of the global population will need corrective lenses to offset myopia by 2050 if current rates continue – up from 23% in 2000 and less than 10% in some countries. The associated health care costs are huge. In the United States alone, spending on corrective lenses, eye tests and related expenses may be as high as US$7.2 billion a year. What explains the rapid growth in myopia? I’m a vision ...... Read Full article on HadNews

Cataract surgery is one of the most popular and commonly performed procedures in the world. The vast majority of patients have excellent outcomes with few complications. Here are the numbers: As ophthalmologists who have performed thousands of these procedures, we know that many patients have misconceptions about both cataracts and the surgery. For example, some think a cataract is a growth on the eye’s surface. We like to compare a cataract with the frosted glass of a bathroom window, where light can be transmitted but details cannot. Or when turbulence from a storm causes normally clear water in the ocean to become murky. In mu...... Read Full article on HadNews