Human eyes are actually spheres. The part that we can see is only just the front. That coloured circle is called the iris and the black spot in the middle is the pupil. This is the part of the eye ...

The eye has many parts, including the iris (the coloured part), the pupil (the opening in the middle of the iris), and the lens (the transparent structure inside the eye). Most studies have tended ...

Pupil size is controlled by the brain, which receives signals from each retina and sends a message for your eyes to adjust to the light. Muscles in the colored part of your eye, your iris ...

Retinal vs. iris scans Often confused with a retinal scan, iris recognition systems capture an image of the eye, and then analyse the coloured part around the pupil that you see on the front of the ...

Cornea is the transparent, dome-shaped front part of the eye that covers the iris and pupil. It plays a crucial role in focusing light and protecting the eye. Recent clinical trials have shown ...