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Between your computer, your tablet, and your smartphone, these days you’re probably spending more and more time staring at screens. You’ve seen those special computer glasses, but you can’t help but wonder: Do they really make any difference? Are they worth a second look?According to the Vision Council, more than two thirds of us suffer from Computer Vision Syndrome (CVS). The cause is too much time in front of digital screens, and the symptoms include dry or red eyes, blurred vision, eye twitches, fatigue, headaches, and even back and neck pain.Taking frequent breaks can help alleviate CVS. But experts agree: A pair of computer glasses is a wise investment that can greatly enhance the quality of your screen time. Here’s...

If you have bipolar disorder, depression or trouble sleeping, it may help to wear amber-tinted glasses at night, new research suggests. These orange shades block blue light, which the body uses to adjust the biological clock to control sleeping and many other functions. Blue light is a major component of sunlight, and exposure to it in the morning signals that it’s time to wake up and also helps reset the body’s clock, which is why morning sun is so important for adjusting to jet lag. Likewise, darkness following sundown serves as a cue to sleep. This worked well for our ancestors whose primary source of light was the sun. But many modern-day electronic devices like phones, computers and televisions also...