Rarely, it may be a symptom of a serious condition. In kaleidoscope vision, the images you see may appear broken up and brightly colored, like the image in a kaleidoscope. The images may move around.

Side effects of taking ketamine can include nausea, headache, blurry vision and disrupted coordination, which usually subside within two hours after treatment, Kaplan said. “We don’t see it as ...

In this article, we look at ADHD and the eyes in more detail, including the relationship with visual impairments, whether ADHD causes blurry vision, and what can help with these conditions.

New images of the sun captured by the Solar Orbiter mission showcase the highest-resolution views of our star’s visible surface ever seen, revealing sunspots and continuously moving charged gas ...

For some people, dry eye symptoms are mild and feel like a speck of sand in the eye, or stinging or burning that doesn’t go away. For others, dry eye can become a chronic condition that leads to ...

"Pictures of the Year is one of my favorite things that we do all year," National Geographic Editor-in-Chief Nathan Lump told USA TODAY. "It’s more than just a collection of great images ...

Our shared history can be told through the power of photography. Nat Geo's photo editors selected one image from each year of this century that capture the era's most important stories—from war ...

The retina is responsible for receiving light and relaying electrical signals to the brain that create the images ... vision, sudden vision loss, shapes floating in your field of vision, blurred ...

Dry eyes and blurry vision are symptoms of dry eye syndrome, a preventable and treatable condition with home remedies and OTC or prescription options. Blurry vision with dry eye could indicate an ...

As a result, the image they see is blurry. Controlling eye growth is the most important factor for achieving normal vision. The study published earlier this year looked at how the rate of myopia has ...

and being tired can lead to blurred vision. Adjusting to the end of daylight saving time can help you be more alert for driving. Check out our guide to recalibrating your internal alarm clock.

The NHS added: "Some antidepressants can cause dizziness, drowsiness and blurred vision, particularly when you first start taking them. If you do experience these problems, you should not drive or ...