Explanation

•  The film of the Camera is analog to the retina in the human eye 
  
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• The retina is a thin membrane that covers the internal lower back of the attention.
• Like film in a camera, the retina is the light-touchy surface in which photos from the outdoor international come to a focus.
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• The retina gets those photographs with thousands and thousands of microscopic photoreceptor cells called rods and cones. 
• The retina includes two regions known as the macula and the fovea.