Medically reviewed by Christine L. Larsen, MD Photophobia is an abnormal sensitivity to light. It is associated with dry eye disease, migraines (severe, recurrent headaches), and traumatic brain ...

“Higher melanin levels lead to darker pupils. Lower melanin levels lead to light or blue eyes.” Of course, not all blue eyes ...

With all this screen time potentially affecting our eyes and sleep, more and more people are turning to blue-light glasses as a potential solution. But do blue-light glasses actually work? And what is ...

A meta-analysis in JAMA Ophthalmology confirms that extended near-work activities, including prolonged screen use, contribute ...

is festooned with up to 100 brilliant blue eyes. Each contains a mirrored layer that acts as a focusing lens while doubling the chance of capturing incoming light. But simple eyes should not be ...

Green eyes get their color from a unique mix of light melanin and Rayleigh scattering, the same effect that makes the sky look blue. Perhaps one day, with all the advancements we’ve seen in ...

it is unlikely to prevent symptoms of eye strain like headaches and dry eyes. "Dark mode will reduce the levels of blue light that are emitted from the electronic device's screen, but probably not ...

If you’ve ever suffered from dry, irritated eyes or struggled to fall asleep after a long day of staring at your computer, you may have been tempted to purchase a pair of blue-light-blocking ...

With the rise of technology, digital devices have become a part of everyday life. From working on computers to scrolling through social media on smartphones, ...

The animal's eyes change from a golden colour to a deep blue as summer fades to winter, helping it to see in dramatically different light levels. The part that changes colour is called the tapetum ...

High Energy Visible (HEV) blue light can cause migraines, fatigue, blurred vision, dry eyes, and can even interrupt your eight hours by interfering with sleep-inducing melatonin. There is no real ...

I rarely stare at a screen without them. Blue light glasses help relax my eyes, and I like that when I wear them, I can look at brighter settings without squinting. While I personally swear by them, I ...