The human visual system is a complex system responsible for processing visual information. The process begins with light entering the eye through the cornea and passing through the pupil. The iris controls the size of the pupil to regulate the amount of light that enters the eye.

The lens of the eye then focuses the light onto the retina, which contains photoreceptor cells known as rods and cones. Rod cells are responsible for processing low-light and black-and-white vision, while cone cells are responsible for color vision and high-acuity vision.

The photoreceptor cells in the retina convert the light into electrical signals, which are then sent to the brain through the optic nerve. The brain processes these signals to create the images that we see.

Overall, the human visual system is a remarkable feat of biology and allows us to experience the world around us in incredible detail.
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