The backbone of the book consists of the 16 chapters on eye anatomy and physiology, but these are leavened by a variety of devices to inform us of the eye's evolution, development and intellectual ...

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 ...

Dogs have stronger facial muscles compared to wolves, giving them the sad or “puppy dog eyes” look. A series of rodent experiments showed that even with abundant food and water, personal space is ...

The retina is an extremely complex structure. It's made up of at least ... Whatever light is not absorbed on this return trip passes out of the eye the same way it came in—through the pupil.

Flashes of light in the corner of the eye could be due to changes in the eye’s structure, which becomes more common with age. Some conditions, such as migraine auras, may also cause flashes of ...

It's time to wish the London Eye happy birthday as the iconic structure in the centre of our capital city turns quarter of a ...