An imaginary line joining the optical centre of the eye lens and the yellow point is called as

  • A
    Principal axis
  • B
    Vision axis
  • C
    Neutral axis
  • D
    Optical axis

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Similar Questions

$A$ man with defective eyes cannot see objects distinctly at a distance of more than $60 \, cm$ from his eyes. The power of the lens to be used will be:

$A$ person cannot see objects clearly beyond $2.0 \, m$. The power of the lens required to correct his vision will be:

Calculate the focal length of a reading glass of a person if his distance of distinct vision is $ 75 \ cm $. (in $cm$)

When the human eye is focused on an object,the ciliary muscles are least strained when the object is at:

$A$ man can see clearly up to $3 \, m$. Prescribe a lens for his spectacles so that he can see clearly up to $12 \, m$.

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