Tagged With eyes

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Uh, this is horrifying.

Microscopic water-dwelling critters called amoebae are creeping into human eyeballs - with the potential to cause permanent blindness.

Acanthamoeba keratitis is a rare disease, but has been documented worldwide - and is typically associated with contact lens use and contaminated swimming pools.

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While prepping a 67-year-old female patient for routine cataract surgery at England's Solihull Hospital, physicians noticed a strange bluish blob in one of her eyes. On closer look, the blob turned out to be 17 contact lenses stuck together. Another 10 lenses were subsequently discovered in the same eye. The surgeons have never seen anything quite like it.

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If the eyes are windows to the soul, they're open windows, potentially letting in all kinds of unwelcome bugs. To ensure that doesn't happen, our tears are loaded with microbe-killing compounds and immune cells. In fact, our eyes are so inhospitable that it was long thought they were the only part of our bodies which lacked a symbiotic bacterial community. But now, scientists have found evidence of a once-inconceivable ocular microbiome — and it may help eyes fight off disease.

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My graphic design students love to design posters using the classic eye chart composition, and they frequently ask "What typeface should I use for this?" Not having a definitive answer has always been frustrating, so I decided to investigate to find out what typeface is used on eye charts.

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The offers began arriving by email in January: a chance at clearer vision for the special price of US$299 per eye. Over the next four months, I received 20 ads from the same company — each offering the same deal for the "safe, FDA approved" surgery.

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Our eyes are a fundamental part of the human sensory system — but they're complex things that can easily go wrong. Here are 23 facts about your windows to the world, including 11 things that can go horribly wrong.

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A small, highly skilled team at Moorfields Eye Hospital transform the lives of people who have lost their eyes to accidents and disease. Each year, they work with their clients to create around 1400 customised, detailed prosthetics, many of which replace eyes. Here's how.

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Video: I didn't expect it to be, but staring straight into the eyes of these fascinating bugs is chilling. The clear, close up shots of their heads and the incredible, foreign detail of their eyes and bodies makes them seem like they're not a part of this world. I mean, you could totally convince me that these are aliens.

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The human eye is a more complex and mysterious thing than we thought. Recently, a group of scientists were puzzled by flashes of green light they saw from an infrared laser, whose light should have been far outside the visible spectrum. Like scientists do, they investigated. Human eyes do indeed perceive infrared light, they found, but not they same way they perceive ordinary colours. It's weirder than that.

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Our sun is spherical, so why is it that other stars look... star-shaped in the night sky? Actually, it's all down to the quirks of light and your (imperfect) eyes.

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Growing nerve tissue and organs is a sci-fi dream. Moheb Costandi met the pioneering researcher who grew eyes and brain cells.