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Ophthalmic Career Progression Program Volume III Questions and Answers

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Ophthalmic Career Progression Program Volume III Questions and Answers Ophthalmic Career Progression Program Volume III Questions and Answers Ophthalmic Career Progression Program Volume III Questions and Answers A lens dispersing white light into its component colors is an example of which abe...

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  • October 30, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • ophthalmic career progression program volume iii q
  • ophthalmic career progression program volume iii
  • a lens dispersing white light into its component

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  • Ophthalmic Career Progression Program Volume III
  • Ophthalmic Career Progression Program Volume III

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Ophthalmic Career Progression Program
Volume III Questions and Answers

A lens dispersing white light into its component colors is an example of which
aberration? - ANSWER-Chromatic Aberration

Which aberrations are of the greatest concern to a spectacle wearer? - ANSWER-
Marginal (oblique) astigmatism and curvature of field.

The lens aberration that produces a shorter focal length for rays near the edge of the
lens than rays near the optical axis is called what? - ANSWER-Spherical aberration

Designers of corrected curve lenses give much consideration to this aberration. -
ANSWER-Marginal (oblique) astigmatism

The aberration affecting image shape when wearing high plus lenses is called what? -
ANSWER-Pincushion distortion

The aberration affecting image shape when wearing high minus lenses is called what? -
ANSWER-Barrel distortion

What aberration is induced with pantoscopic tilt? - ANSWER-Marginal (oblique)
astigmatism

The aberration that depends on the material the lens is made from is called what? -
ANSWER-Chromatic aberration


The larger the frame difference, the ... the lens shape: - ANSWER-Narrower

If the lenses are decentered in a frame by 4mm, this will also change the location of the
geometrical center distance. - ANSWER-False

The aberrations which are "narrow beam" aberrations include what? - ANSWER-
Marginal (oblique) astigmatism and curvature of field

The aberration that can induce cylinder power in a spherical lens is called what? -
ANSWER-Marginal (oblique) astigmatism

If the eyelashes rub the lenses, the fitter should...? - ANSWER-Increase the vertex
distance

, If the wearer complains that the glasses feel snug but still slip down the nose, one likely
cause is that...? - ANSWER-Pressure is being applied by the temple shafts anterior to
the ear

A wearer complains that the lenses are unequally distant from the eyes. To correct this,
one could - ANSWER-Increase the temple spread on the side farthest from the face

Before ordering prescription eyeglasses or even performing a visual examination what
must be determined? - ANSWER-The patient's PD

When the frame front is tested for four-point touch but only touches on the two temporal
eyewires, the frame - ANSWER-has face form

When using a pupilometer, the hairline is adjusted to which point? - ANSWER-The
center of the corneal reflex

The limbal edge may be used as a reference point in taking monocular PDs - ANSWER-
False

What is the maximum near working distance that should be measured when the add
prescribed is +1.50? What would normally be chosen? - ANSWER-66 cm 40 cm

Bowing the temples is an expression referring to - ANSWER-curving the temples
around the head

If the eyewire touch the eyebrows, the adjustment to take care of this condition would
be - ANSWER-all of the above

When adjusting the frame, the bifocal height can be lowered by using the following
adjustment - ANSWER-using more pantoscopic tilt

To relieve the pressure causing soreness at the front edge of the nose pads, a good
adjustment would be - ANSWER-decrease the flare of the pads

If the pads are bent down and the pads are realigned, this adjustment will - ANSWER-
raise the front

If the left temple is angled down, this adjustment will - ANSWER-raise the left side of the
front

If the pad arms are shortened, this adjustment will - ANSWER-bring the front closer in

If the pads are brought closer together this adjustment will - ANSWER-raise the front

If the left temple is angled out, this adjustment will - ANSWER-bring left side of front
toward the left eye

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