Podcast
Questions and Answers
What is the primary function of a lensometer?
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?
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?
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?
Which machine is used to create holes in lenses for rimless frames?
What is the role of a grooving machine in lens manufacturing?
What is the role of a grooving machine in lens manufacturing?
Flashcards
Lensometer
Lensometer
A tool used to measure the power of lenses and locate their optical center and axis.
Tracer
Tracer
A tool used to measure the dimensions and shape of eyeglass frames.
Manual Lens Edger
Manual Lens Edger
A machine used to cut lenses to the precise shape of a frame.
Lens Polishing Machine
Lens Polishing Machine
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Frame Warmer
Frame Warmer
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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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