Optical Instruments Quizz "Eye"

5 Questions | Total Attempts: 138

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Optical Instrument Quizzes & Trivia

Questions and Answers
  • 1. 
    The outer part of eye ball of thin layer which is clear and can be penetrated by the light is.....
    • A. 

      Cornea

    • B. 

      Aqueous humor

    • C. 

      Pupil

    • D. 

      Retina

  • 2. 
    What is the function of pupil?
    • A. 

      Gives colour to the eye

    • B. 

      Regulate the more or little light that enters into the eye

    • C. 

      Making image of properties

    • D. 

      Catcher screen of image

  • 3. 
    To be able to see normal anymore, a myope can be helped by using glasses of.......
    • A. 

      Positive lens

    • B. 

      Convex lens

    • C. 

      Concave or negative lens

    • D. 

      Double lens

  • 4. 
    Why the people who suffer astigmatism cannot see clearly vertical and horizontal lines simultaneously?
    • A. 

      Because the eye lens cannot made thin as it must so the image of object falls in front of the retina

    • B. 

      Because the eye lens cannot be expanded as it must so the image of the object falls behind retina

    • C. 

      Because the accommodation power of this eye is weaker as the effect of age increase

    • D. 

      Because of curves of the eye cornea of astigmatism sufferer is not perfect anymore

  • 5. 
    Which is not part of the eye is............
    • A. 

      Iris

    • B. 

      Pupil

    • C. 

      Retina

    • D. 

      Maleus

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