instrumentation,
regulations and standards
QUESTIONS AND VERIFIED
CORRECT ANSWERS
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Before positioning a lens in a lensometer, it is almost always necessary to:
A. rotate the axis wheel
B. rotate the power drum
C. clean the lens table
D. focus the eye piece - CORRECT ANSWER-D. focus the eye piece
The lensometer reticle is divided into quadrants for the purpose of:
A. indicating the direction of the prism base
B. determining the cylinder axis
C. verifying the power in diopters
D. none of the above - CORRECT ANSWER-A. indicating the direction of the prism base
FMLA refers to:
, A. Family Medical Leave Act
B. Federally Mandated Lens Act
C. Federal Manufacturers Lens Association
D. Frame Manufacturer Labeling Act - CORRECT ANSWER-A. Family Medical Leave Act
A patient enters your dispensary complaining of severe eye pain. What is your first course of
action?
A. check base curves and positioning of optical centers
B. perform follow-up keratometer readings
C. immediately refer to their eye doctor
D. re-align fit of adjustable nose pads - CORRECT ANSWER-C. immediately refer to the eye
doctor
The _______ is a non-governmental agency with functions to establish standards for a wide
variety of industrial and commercial interest.
A. American National Standard Institute (ANSI)
B. Occupational Safety and Health Administration (OSHA)
C. Food and Drug Administration (FDA)
D. Federal Trade Commission (FTC) - CORRECT ANSWER-A. American National Standard Institute
(ANSI)
According to ANSI standards, a lens containing 0.25 diopters of cylinder must be within _______
of the specified axis.
A. +- 2.0°
B. +- 3.0°