A pattern of distorted lines is visible as a reflection in this close-up view of a human eye. By observing the deformation of ...

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 ...

Eye diseases often develop asymptomatically ... are extremely sensitive cells that respond to light by lengthening or shortening their outer segments (OS). These changes in OS length reflect the ...

Blue-light-blocking glasses work by reflecting those wavelengths away from the lenses to stop them from reaching your eyes. (Note that, despite emitting blue light, most consumer tech is not ...

We call this refraction. Above the water, the light reflecting off this pencil is travelling straight into our eyes. When the light from the pencil passes from the water to the air it is refracted ...

By integrating powerful 3D imaging technology with advanced computation, University of Arizona researchers can capture gaze ...

Witnessing a solar eclipse is a rare celestial event that requires careful preparation. Remember to keep meals light, avoid ...