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Ncle Basic Lensometry Exam (ACTUAL AND 100% VERIFIED ANSWERS Latest Updates
What instrument is used to read the prescription from a pair of spectacle lenses?
Lens Clock Lensometer Keratometer Lensometer
The process of reading a prescription off a pair of glasses when the prescription is unknown is called what?
Transposition Negation Neutralization Neutralization
When reading a single vision lens, you will follow different steps than if you were neutralizing a spherical lens.
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True False False
Which of the following statements is correct regarding reading compound lenses with a lensometer?
Thin lines indicate cylinder power and thick lines indicate spherical power.Thin lines indicate spherical power and thick lines indicate cylinder power.A solid line indicates cylinder power and a dotted line indicates sphere power.Thin lines indicate spherical power and thick lines indicate cylinder power.
It is important to note whether the cylinder power is a plus number or a minus number.
True False True
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