A new study suggests that never-seen-before stem cells in the human retina can restore vision in mice with a common eye ...

Eventually, the light-sensitive spot evolved into a retina, the layer of cells and pigment at the back of the human eye. Over time a lens formed at the front of the eye. It could have arisen as a ...

Watch this video which explains how light travels into our eyes so that we can see things. Of course, you can only see something when there's light. And what is light? It's energy that zooms ...

the pupil contracts and dilates depending on the amount of light entering the eye. Neurologists shine light into the eyes of trauma and stroke patients to gauge their light reflex 1, and ...

It's like having a microscope that works directly in the patient's eye," exclaims Andrea Curatolo, Ph.D. Phosphodiesterase 6 (PDE6) is a key enzyme in phototransduction, the process by which light is ...

If it sees only bright light, it has strayed into open water, and risks starving. With the help of its eyes, this brainless blob can find food, avoid obstacles, and survive. This box jellyfish ...

We don’t know who first said that the eye is the window to the soul, but if they were around today, they might well phrase it ...

Centuries later Leonardo da Vinci realized that the eye is akin to the camera obscura, pioneered by Alhazen, in which light passes through a pinhole into a darkened room and casts an inverted ...

But more research is needed into the long-term effects and safety of red light therapy for the eyes. Red light therapy is gaining popularity for a variety of uses, including cosmetic skin care and ...

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 ...