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NCLE Practice Exam Questions With Verified Answers The advantages aphakia have over spectacle lenses - answerLess peripheral aberration Less magnification Increase visual field not having a lens inside your eye - answerAphakia Which of the following can aphakia cause, myopia or hypermetropia?...

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  • October 1, 2024
  • 13
  • 2024/2025
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  • ncle practice exam questions with verified answers

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NCLE Practice Exam Questions With
Verified Answers


The advantages aphakia have over spectacle lenses - answer✔Less peripheral aberration
Less magnification
Increase visual field

not having a lens inside your eye - answer✔Aphakia

Which of the following can aphakia cause, myopia or hypermetropia? - answer✔Hypermetropia

Causes of aphakia - answer✔*Congenital absence of lens
*Surgical Aphakia
*Absorption of lens matter
*Traumatic extrusion (push or forced out)
*Posterior dislocation- in vitreous, causes optical aphakia

The cornea thins and bulges outward into a cone shape - answer✔Keratoconus

Symptoms of Keratoconus - answer✔*distorted, blurred, double vision
*inability to see dim light
*sensitivity to light

Signs of keratoconus - answer✔CORNEAL THINNING AT THE APEX
CHANGES OF ASTIGMATISM
DECREASING VISION IN ONE EYE

cause of keratoconus - answer✔Cause is unknown, but it is believed to be present at birth or the
loss of collagen in the cornea

How can be keratoconus be treated? - answer✔*Surgical treatment

, ©BRAINBARTER 2024/2025


*Vision correction
*specialty contact
*Corneal cross link
Slows down and stop the progression of keratoconus but doesn't improve vision -
answer✔Cornea Cross Linking
A conical shaped cornea can best be fit with contact lenses through the use of:
A.trial lenses
B. keratometer readings
C. eye impressions

D. topogometer readings - answer✔A. Trial lenses

Prism ballast lenses can be useful for: - answer✔For cylindrical lenses and some bifocals
Helping to reduce lens rotation

What type of contacts needs prism ballast? - answer✔Front surface toric GP and
bifocal/multifocal GP

What type of contacts does not need prism ballast - answer✔Back surface toric, Bitoric, and
Spherical lenses
Base down prism from 0.75-1.5 diopters weighs the lens down and keeps it stable so it doesn't
rotate - answer✔Prism ballast
Bitoric lenses are prescribed:
A. Only when there is a small amount of corneal
B. Astigmatism and no residual when there 1s no corneal
C. Astigmatism only for bifocal contact lenses
D. When there is at least 2.00D of corneal astigmatism accompanied by a significant amount of
residual astigmatism - answer✔D. When there is at least 2.00D of corneal astigmatism
accompanied by a significant amount of residual astigmatism
In which of the following cases would a front toric lens most likely be prescribed?
A. K: 41.00@180/41.25@090
Rx: -1.25 - 0.25 x 090

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