Banks and his team looked at the eyes of 214 different species of land animals, and found a clear relationship between the shape of their pupils and their ecological role. Predatory animals that ...

your doctor looks at your pupil and notes if they have an odd shape or size. Next, they do a swinging flashlight test. They’ll move a small flashlight back and forth in front of your eyes while ...

While experts are still learning a lot about the reason for different pupil shapes, it's interesting to learn all the theories they've already come up with about the cat's unique looking eyes.

Your eye is a slightly asymmetrical globe, about an inch in diameter. The front part (what you see in the mirror) includes: Just behind the iris and pupil lies the lens, which helps focus light on ...

Start with the basic shape of the eye, sketching the outline with light pencil strokes. Add the iris and pupil, paying attention to their proportions. Shade the sclera lightly to give it depth ...

Because of its tidally locked position around its low-mass red dwarf star ... mile-wide water “pupil,” giving the exoplanet the overall appearance of a lidless eye. Despite its unsettling ...

Rather than have one distinct eye color, people with central heterochromia have a different color near the border of their pupils ... changes in your eye color, shape, or vision, it is best ...