Unexpected flashes of light in your eye can be alarming, and in many cases, it’s something that should be discussed with your ...

I've worked long hours in front of a PC for 10 years. Here are the 3 apps I use to save myself from eye strain.

Difficult, but not impossible. Scientists have come up with scenarios through which the first eye-like structure, a light-sensitive pigmented spot on the skin, could have gone through changes and ...

Nocturnal geckos have superb vision in dim light - their eyes are 350 times more sensitive to colour at night than a human's (see for yourself with our animal vision interactive). Lacking eyelids, ...

The processing of optical information in the retina of the eye, where the light-sensitive photoreceptors and the first nerve ...

Nocturnal animals tend to have proportionally bigger eyes than humans do. They also tend to have pupils that open more widely in low light. So, at the outset, nocturnal eyes gather more light than ...

If you have eye pain, redness, blurred vision, or light sensitivity, be sure to see an eye doctor for a complete exam, and get treatment early to avoid complications.

Researchers in University College Dublin (UCD) have discovered that a mutation in a gene called emc1 causes major vision problems in zebrafish.

Both cameras and the human eye use lenses to focus light. Both cameras and the human eye contain material that is sensitive to light. Follow me please class. We’re here at the optician’s to ...

They have 24 eyes arranged in four clusters; 16 are simply light-sensitive pits, but one pair in each cluster is complex, with a sophisticated lens, retina, iris and cornea. Trilobites went down a ...