Dark and Light Adaptation in Vision
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Questions and Answers

What is the term for the eye's ability to see in a low light environment?

  • Light Adaptation
  • Phototransduction
  • Retinal Adaptation
  • Dark Adaptation (correct)

    • Which part of the eye converts light energy into electrical impulse?

  • Photoreceptor Cells (correct)
  • RPE
  • Choriocapillaris
  • Bipolar Cells

    • What is the name for the mechanism of the eye's adaptation to bright light (daylight vision)?

  • Light Adaptation (correct)
  • Retinal Adaptation
  • Dark Adaptation
  • Phototransduction

    • Which cells connect both rods and cones sideward?

    <p>Horizontal Cells</p> Signup and view all the answers

    What supplies 80% of the blood to the retina?

    <p>Choriocapillaris</p> Signup and view all the answers

    What is the main function of dendrites in neurons?

    <p>To receive information from other neurons</p> Signup and view all the answers

    What triggers the release of glutamate in photoreceptor cells?

    <p>Inhibition of voltage gated calcium channels</p> Signup and view all the answers

    What is the main function of ganglion cells in the visual system?

    <p>To transmit electrical charges to the visual cortex of the brain</p> Signup and view all the answers

    What is the role of Horizontal, Muller, and Amacrine cells?

    <p>To release GABA in response to glutamate</p> Signup and view all the answers

    What happens when light strikes the rods in the mechanism of phototransduction?

    <p>Triggering of Phosphodiesterase (PDE) enzyme</p> Signup and view all the answers

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