Our brain and eyes can play tricks on us—not least when it comes to the expanding hole illusion. A new computational model ...

Today’s optical illusion is challenging viewers to find a hidden "5" among a sea of "2s." The tricky pattern plays with human perception, making it hard to spot the odd number. Can you find it?

From a Persian prince to the American “jeweler to the stars,” the world’s largest cut blue diamond has a lengthy history.

ANSWER: “Floaters” are bits of cellular debris in the vitreous humor, which is the gel-filled space in between the lens and ...

I am a 67-year-old male with generally good vision. I have had a few floaters in my eyes over the years, but they have ...

I am a 67-year-old male with generally good vision. I have had a few floaters in my eyes over the years, but they have ...

The eye does not have a way to remove floaters, so you will have them as long as you live unless you do something about it.

I am a 67-year-old male with generally good vision. I have had a few floaters in my eyes over the years, but they have generally been small and have ...

If you look up at the sky on a clear day, you might notice little cobweb-like structures drifting across your field of vision ...

The NHS is warning that if you notice animal-related symptoms in your eyes, you may need to see a doctor. Listing shapes that ...

According to the NHS website, while floaters - such as dots and lines - or flashes of light in your vision are typically ...