Eye

Anatomy

The human eyes are the organs of vision, located in the bony orbits in the front of the skull, on either side of the bridge of the nose.

Functions

The eye detects light and transforms it into impulses that are sent to the brain. Light enters through an opening in the iris called the pupil (the part we see as black in the center of the eye, it is not solid, rather an opening through which light passes). An adjustable lens focuses the seen image and transposes it onto the retina in the back to the eyeball. Neurons in the optic nerve (cranial nerve II) send the image to the brain.

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