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1

The near point of a patient's eye is 50.0 cm. What power (in diopters) must a corrective lens have to enable the eye to see clearly an object 25.0 cm away?

  • A. 2 diopters
  • B. 2.5 diopters
  • C. 0.5 diopters
  • D. 3 diopters
View Answer & Discuss JAMB 2023
2

The power of a convex lens of focal length 20cm is 

  • A. 0.05D
  • B. 0.50D
  • C. 5.00D
  • D. 50.00D
View Answer & Discuss (4) JAMB 2024
3

The defect of the eye lens which occurs when the ciliary muscles are weak is 

  • A. Spherical aberration
  • B. Astigmatism
  • C. Presbyopia
  • D. Myopia
View Answer & Discuss (1) JAMB 2024
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