Write scientific reason. Presbyopia effect is more common in people over 40 years of age. - Science and Technology 1

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Short Note

Write scientific reason.

Presbyopia effect is more common in people over 40 years of age.

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Solution

  1. Focusing power of the eye lens decreases with age.
  2. Also, with progressing age, ciliary the muscles near the eye lens lose their ability to adjust the focal length of the lens.
  3. This defect of vision is called as presbyopia.
  4. As the defect is prnounced by old age, it is more common in people over 40 years of age.
Concept: Eye Defect and Its Correction: Presbyopia
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Chapter 7: Lenses - Write scientific reasons
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