Recent Lessons

Show all results for ""

Manual vs Automated Lensometer

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

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?

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?

Lens holder (correct)
Power wheel
Eyepiece
Axis marker

What is the purpose of the eyepiece in a lensometer?

<p>To view internal components of the lensmeter (C)</p> Signup and view all the answers

Which type of lensometer can be carried anywhere due to its portability?

<p>Manual lensometer (C)</p> Signup and view all the answers

Flashcards

Manual lensometer

A device used to find the back-vertex power of eyeglasses.

Automated lensometer accuracy

Automated lensometers are considered less accurate because they are fully automatic.

Lens holder function

The lens holder provides a resting place for the spectacle frame in a lensometer.

Eyepiece purpose

The eyepiece in a lensometer allows viewing of internal components of the lensmeter.

Signup and view all the flashcards

Portable lensometer

A manual lensometer is portable and can be carried anywhere.