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  • Close up image of the human eye.
    Rights: Erion Cuko Published 14 March 2012 Size: 260 KB Referencing Hub media

    The eye is our collector of light, giving us sight. Its delicate structures enable entering light energy to be converted to electrochemical energy. This stimulates the visual centres in the brain, giving us the sensation of seeing. Sight is one of five human senses that act as ‘gatekeepers’ of our bodies.

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