Camera Eye And Visual System Essays

Camera Eye And Visual System Essays

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Our eyes are an incredible and incredibly complex organ. We are able to look at and around our surrounding environments and dynamically adjust as needed. The camera can be used as an analogy to the eye and visual system, though it should be noted that there are limitations such as, cameras only capture a single still image (from that perspective, perhaps what we see is more akin to that of a video camera). The table below explains how individual components of the eye can be compared to individual components of the camera and their roles in each system.


Function Camera Eye
Similar Opening for light to enter Aperture Pupil
Similar Control amount of light entering Diaphragm Control of aperture Control of the size of pupil via the iris
Similar Refract light Cornea, lens, aqueous and vitreous humor
Similar Image Formation CCD chip Retina (particularly the rods and cones (photoreceptors))
Different Focusing mechanism Adjusting the position of the lens or changing lenses Ciliary muscles and lens ~ via accommodation






Magnocellular pathway is associated with motion perception and c...

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