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Science and vision

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The visual pathway

Dr Samantha Strong shares a journey through the visual pathway

Brain
Getty/Jolgon

In order for us to ‘see’ the visual world around us, the light signal needs to travel from the eye to the brain. Let’s say we’re looking at an apple; in order to perceive the shape, colour, and all visual features of the apple, the light coming off it needs to travel through the pupil to the back of the eye, and then journey along the visual pathway. The area of space that we are viewing at any one time is called our ‘visual field.’

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