NCLE ONLINE PRACTICE EXAM ACTUAL EXAM
QUESTIONS AND CORRECT ANSWERS || ALREADY
GRADED A+ || LATEST EDITION 2025
The advantages aphakia have over spectacle lenses -CORRECT CORRECT ANSWER
Less peripheral aberration
Less magnification
Increase visual field
not having a lens inside your eye -CORRECT CORRECT ANSWER Aphakia
Which of the following can aphakia cause, myopia or hypermetropia? -CORRECT
CORRECT ANSWER Hypermetropia
Causes of aphakia -CORRECT CORRECT 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 -CORRECT CORRECT
ANSWER Keratoconus
Symptoms of Keratoconus -CORRECT CORRECT ANSWER *distorted, blurred, double
vision
*inability to see dim light
*sensitivity to light
Signs of keratoconus -CORRECT CORRECT ANSWER CORNEAL THINNING AT THE
APEX
CHANGES OF ASTIGMATISM
DECREASING VISION IN ONE EYE
cause of keratoconus -CORRECT CORRECT 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? -CORRECT CORRECT ANSWER *Surgical
treatment
*Vision correction
*specialty contact
*Corneal cross link
,Slows down and stop the progression of keratoconus but doesn't improve vision -
CORRECT CORRECT 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 -CORRECT CORRECT ANSWER A. Trial lenses
Prism ballast lenses can be useful for: -CORRECT CORRECT ANSWER For cylindrical
lenses and some bifocals
Helping to reduce lens rotation
What type of contacts needs prism ballast? -CORRECT CORRECT ANSWER Front
surface toric GP and bifocal/multifocal GP
What type of contacts does not need prism ballast -CORRECT CORRECT 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 -CORRECT CORRECT 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 -CORRECT CORRECT 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
B. K: 41.25@175/42.50@085
Rx: -2.75 -1.00 x 005
C. K: 43.25@165/43.37@075
Rx: -4.00 -0.75 x 165
D. K: 42.00@180/42.000@090
Rx: -1.25 -3.75 x 180 -CORRECT CORRECT ANSWER D. K:
42.00@180/42.000@090
Rx: -1.25 -3.75 x 180
K: 41.50@090/42.75@180 This K reading indicates:
A. With the rule astigmatism
B. Against the rule astigmatism
, C. Oblique astigmatism
D. Residual astigmatism -CORRECT CORRECT ANSWER B. Against the rule
astigmatism
Rx: -4.50 + 2.50 x 095
Transposed - 2.00 - 2.50 x005
K: 44.75@090/45.00@180
What type of lens would best fit this patient?
A. Spherical contact lens
b. bitoric contact lens
C. front toric contact lens
D. Monovision -CORRECT CORRECT ANSWER C. Front toric contact lens
Early stages of keratoconus may be detected through the use of :
A. Slit lamp
B. Radiuscope
C. Keratometer
D. Retinoscope -CORRECT CORRECT ANSWER C. Keratometer
The hyperflange lens design is useful in fitting which of the following?
A. High minus lenses
B. Low minus lenses
C. High plus lenses
D. Low plus lenses -CORRECT CORRECT ANSWER A. High minus lenses
A wide beam of light is directed obliquely at the cornea with no attempt to focus the
light. Used for the cornea, sclera and lids -CORRECT CORRECT ANSWER Diffuse
illumination
uses for diffuse illumination are: -CORRECT CORRECT ANSWER • lens position and
movement
• surface wettability of the cornea or contact lens
• tear break-up time
•gross corneal staining
• blink reflex
The microscope and the beam of light are focused on the same area. -CORRECT
CORRECT ANSWER Direct Illumination
What are the 3 types of direct illumination? -CORRECT CORRECT ANSWER Optic
section, parallelpiped, and conical beam
also known as Pinpoint illumination the width and the height go down to about a 1.0mm
cone shape -CORRECT CORRECT ANSWER Conical beam
QUESTIONS AND CORRECT ANSWERS || ALREADY
GRADED A+ || LATEST EDITION 2025
The advantages aphakia have over spectacle lenses -CORRECT CORRECT ANSWER
Less peripheral aberration
Less magnification
Increase visual field
not having a lens inside your eye -CORRECT CORRECT ANSWER Aphakia
Which of the following can aphakia cause, myopia or hypermetropia? -CORRECT
CORRECT ANSWER Hypermetropia
Causes of aphakia -CORRECT CORRECT 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 -CORRECT CORRECT
ANSWER Keratoconus
Symptoms of Keratoconus -CORRECT CORRECT ANSWER *distorted, blurred, double
vision
*inability to see dim light
*sensitivity to light
Signs of keratoconus -CORRECT CORRECT ANSWER CORNEAL THINNING AT THE
APEX
CHANGES OF ASTIGMATISM
DECREASING VISION IN ONE EYE
cause of keratoconus -CORRECT CORRECT 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? -CORRECT CORRECT ANSWER *Surgical
treatment
*Vision correction
*specialty contact
*Corneal cross link
,Slows down and stop the progression of keratoconus but doesn't improve vision -
CORRECT CORRECT 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 -CORRECT CORRECT ANSWER A. Trial lenses
Prism ballast lenses can be useful for: -CORRECT CORRECT ANSWER For cylindrical
lenses and some bifocals
Helping to reduce lens rotation
What type of contacts needs prism ballast? -CORRECT CORRECT ANSWER Front
surface toric GP and bifocal/multifocal GP
What type of contacts does not need prism ballast -CORRECT CORRECT 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 -CORRECT CORRECT 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 -CORRECT CORRECT 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
B. K: 41.25@175/42.50@085
Rx: -2.75 -1.00 x 005
C. K: 43.25@165/43.37@075
Rx: -4.00 -0.75 x 165
D. K: 42.00@180/42.000@090
Rx: -1.25 -3.75 x 180 -CORRECT CORRECT ANSWER D. K:
42.00@180/42.000@090
Rx: -1.25 -3.75 x 180
K: 41.50@090/42.75@180 This K reading indicates:
A. With the rule astigmatism
B. Against the rule astigmatism
, C. Oblique astigmatism
D. Residual astigmatism -CORRECT CORRECT ANSWER B. Against the rule
astigmatism
Rx: -4.50 + 2.50 x 095
Transposed - 2.00 - 2.50 x005
K: 44.75@090/45.00@180
What type of lens would best fit this patient?
A. Spherical contact lens
b. bitoric contact lens
C. front toric contact lens
D. Monovision -CORRECT CORRECT ANSWER C. Front toric contact lens
Early stages of keratoconus may be detected through the use of :
A. Slit lamp
B. Radiuscope
C. Keratometer
D. Retinoscope -CORRECT CORRECT ANSWER C. Keratometer
The hyperflange lens design is useful in fitting which of the following?
A. High minus lenses
B. Low minus lenses
C. High plus lenses
D. Low plus lenses -CORRECT CORRECT ANSWER A. High minus lenses
A wide beam of light is directed obliquely at the cornea with no attempt to focus the
light. Used for the cornea, sclera and lids -CORRECT CORRECT ANSWER Diffuse
illumination
uses for diffuse illumination are: -CORRECT CORRECT ANSWER • lens position and
movement
• surface wettability of the cornea or contact lens
• tear break-up time
•gross corneal staining
• blink reflex
The microscope and the beam of light are focused on the same area. -CORRECT
CORRECT ANSWER Direct Illumination
What are the 3 types of direct illumination? -CORRECT CORRECT ANSWER Optic
section, parallelpiped, and conical beam
also known as Pinpoint illumination the width and the height go down to about a 1.0mm
cone shape -CORRECT CORRECT ANSWER Conical beam
