eyes
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These Contact Lens Horror Stories Show Why You Need To Take Them Out At Night
Those of us who regularly wear contact lenses know we should practice good lens hygiene, including taking taking them out at night and washing them with a sterile cleaning solution. But knowing doesn’t always equate to doing. For those who need a more visceral reminder of why these habits are so important, here are some…
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Man Chugs Erectile Dysfunction Drug, Ends Up With Permanently Red-Tinted Vision
One man’s experience with a common erectile dysfunction drug turned out to be a lot more eye-opening than he expected. According to his doctors, he developed a seemingly permanent red tint to his colour vision after taking a massive dose of sildenafil citrate.
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Whoa, Check Out Zebrafish Eyes
Imagine that during our evolutionary history, we could not turn our heads up or down. How might our vision have evolved differently from the two frontal, mobile eyes we have today?
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These Freaky Fish Can Turn Their Eyes Into Torches
At around 5cm long, triplefin fish don’t seem like much of a threat. But as new research shows, these aquatic carnivores have a rare organ that turns their eyes into veritable torches – an ability they can switch on when needed.