Human Eye: Back of the Eye Function

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Questions and Answers

Which vision ability do humans have due to the three types of cones found in the retina?

  • Trichromatic vision (correct)
  • Tetrachromatic vision
  • Monochromatic vision
  • Dichromatic vision

What type of cones are most sensitive to red light?

  • L-cones (correct)
  • S-cones
  • M-cones
  • P-cones

Which area of the retina contains a high concentration of cones and exclusively consists of cone cells?

  • Periphery
  • Sclera
  • Macula
  • Fovea (correct)

What is the ratio of rods to cones in one retina?

<p>20:1 (B)</p> Signup and view all the answers

What is the specialized area in the eye, present at the center of the macula, where only cones are located?

<p>Fovea (C)</p> Signup and view all the answers

Which cones are most sensitive to blue light?

<p>S-cones (A)</p> Signup and view all the answers

What vision do color-blind individuals usually have?

<p>Dichromatic vision (C)</p> Signup and view all the answers

Where are cones mainly found in the retina?

<p>Fovea (A)</p> Signup and view all the answers

What type of vision do individuals with four different cones have?

<p>Tetrachromatic vision (A)</p> Signup and view all the answers

What happens when all three types of cones in the retina are stimulated equally?

<p>White light is perceived (C)</p> Signup and view all the answers

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