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The process of seeing is a collaboration between the brain and the eye. How does the eye work to create sight, from the lens and iris to the pupil, retina and optic nerve?Key facts
- A far larger part of the brain is dedicated to seeing than to all the other senses put together.
- Light enters the eye through the cornea, which bends light towards the pupil.
- The colored area surrounding the pupil is called the iris.
- The lens focuses light onto the retina, which is connected to the brain by the optic nerve.
Transcript
Your eyes are your body's most highly developed sensory organs.
A far larger part of your brain is dedicated to seeing than to all the other senses put together.
Vision - eyes and brain working together
How we see
The structure of your eye consists of five key parts.
Light enters the eye …
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