Podcast
Questions and Answers
What is the purpose of a manual lensometer?
What is the purpose of a manual lensometer?
- To print prescriptions
- To view internal components of the lensmeter
- To neutralize the power of the lens
- To find the back-vertex power of eyeglasses (correct)
Why is an automated lensometer considered less accurate than a manual one?
Why is an automated lensometer considered less accurate than a manual one?
- It is portable
- It is fully automatic (correct)
- It is a well-programmed device
- It lacks an eyepiece
Which part of the lensometer provides a resting place for the spectacle frame?
Which part of the lensometer provides a resting place for the spectacle frame?
- Lens holder (correct)
- Power wheel
- Eyepiece
- Axis marker
What is the purpose of the eyepiece in a lensometer?
What is the purpose of the eyepiece in a lensometer?
Which type of lensometer can be carried anywhere due to its portability?
Which type of lensometer can be carried anywhere due to its portability?
Flashcards
Manual lensometer
Manual lensometer
A device used to find the back-vertex power of eyeglasses.
Automated lensometer accuracy
Automated lensometer accuracy
Automated lensometers are considered less accurate because they are fully automatic.
Lens holder function
Lens holder function
The lens holder provides a resting place for the spectacle frame in a lensometer.
Eyepiece purpose
Eyepiece purpose
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Portable lensometer
Portable lensometer
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