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  2. Human eye - Wikipedia

    en.wikipedia.org/wiki/Human_eye

    One basic model describing the geometry of the optical system is the Arizona Eye Model. [2] This model describes the accommodation of the eye geometrically. Photons of light falling on the light-sensitive cells of the retina ( photoreceptor cones and rods ) are converted into electrical signals that are transmitted to the brain by the optic ...

  3. Visual system - Wikipedia

    en.wikipedia.org/wiki/Visual_system

    The visual system is the physiological basis of visual perception (the ability to detect and process light).The system detects, transduces and interprets information concerning light within the visible range to construct an image and build a mental model of the surrounding environment.

  4. Optics and vision - Wikipedia

    en.wikipedia.org/wiki/Optics_and_vision

    The human eye is an organ which reacts to light for several purposes. As a conscious sense organ, the eye allows vision. Rod and cone cells in the retina allow conscious light perception and vision including color differentiation and the perception of depth. The human eye can distinguish about 10 million colors. [3]

  5. Eye - Wikipedia

    en.wikipedia.org/wiki/Eye

    The resulting eye is a mixture of a simple eye within a compound eye. Another version is a compound eye often referred to as "pseudofaceted", as seen in Scutigera . [ 28 ] This type of eye consists of a cluster of numerous ommatidia on each side of the head, organised in a way that resembles a true compound eye.

  6. File:Schematic diagram of the human eye.png - Wikipedia

    en.wikipedia.org/wiki/File:Schematic_diagram_of...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate

  7. File:Schematic diagram of the human eye en.svg - Wikipedia

    en.wikipedia.org/wiki/File:Schematic_diagram_of...

    All eye. No labels. Multilingual version 1. Multilingual version 2. Multilingual version 3. By languages brezhoneg Breton. català Catalan. čeština Czech. Cymraeg ...

  8. Rod cell - Wikipedia

    en.wikipedia.org/wiki/Rod_cell

    Rods are a little longer and leaner than cones but have the same basic structure. Opsin-containing disks lie at the end of the cell adjacent to the retinal pigment epithelium, which in turn is attached to the inside of the eye. The stacked-disc structure of the detector portion of the cell allows for very high efficiency. Rods are much more ...

  9. Globe (human eye) - Wikipedia

    en.wikipedia.org/wiki/Globe_(human_eye)

    The globe of the eye, or bulbus oculi, is the frontmost sensory organ of the human ocular system, going from the cornea at the front, to the anterior part of the optic nerve at the back. More simply, the eyeball itself, as well as the ganglion cells in the retina that eventually transmit visual signals through the optic nerve.

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