Optical Equipment and Their Functions
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Questions and Answers

What is the primary function of a lensometer?

  • To check the power of the lens (correct)
  • To determine the optical center and axis of the lens (correct)
  • To polish the edges of the lens
  • To cut the lens to fit the frame dimensions
  • Which machine is specifically used to adjust the dimensions and shape of a frame?

  • Manual lens edger
  • Lens polishing machine
  • Automatic lens edger
  • Tracer (correct)
  • What is the purpose of a frame warmer in the lens fitting process?

  • To drill holes in the lenses
  • To check the power of the lenses
  • To insert the lenses into the frame by warming the plastic (correct)
  • To polish the edges of the frame
  • Which machine is used to create holes in lenses for rimless frames?

    <p>Drilling holes machine (C)</p> Signup and view all the answers

    What is the role of a grooving machine in lens manufacturing?

    <p>To cut into the lens edge for a nylon wire insertion (B)</p> Signup and view all the answers

    Study Notes

    Lensometer

    • Used to check the power of a lens.
    • Used to locate the optical center and optical axis of a lens.

    Tracer

    • Used to measure the dimensions and shape of eyeglass frames.
    • Measures important features such as lens height, frame width, bridge width, and temple arm length.

    Manual Lens Edger/Automatic Lens Edger

    • Used to cut the lens to the appropriate dimensions for the frame.
    • Enables resizing of old lenses for new frames in emergency situations.

    Lens Polishing Machine

    • Used to polish the edges of lenses.

    Frame Warmer

    • Used to heat plastic eyeglass frames to facilitate insertion of lenses.

    Drilling Holes Machine

    • Used to drill holes in lenses for rimless frames.

    Grooving Machine

    • Used to create grooves in lens edges to accommodate nylon wires for half-rimless frames.

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    Related Documents

    Ophthalmic Instruments PDF

    Description

    This quiz explores various optical equipment used in the eyewear industry. Learn about the functions and applications of tools such as lensometers, tracers, and edgers. Test your knowledge on how these machines contribute to eyewear fitting and lens preparation.

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