NCLE Exam Questions with all Correct & 100% Verified
Answers |Actual Complete Update |Already Graded A+
(Just Released)
DK/L Stands for: a. oxygen permeability, b. thermal conduction, c. oxygen transmissibility, d.
wettability ✔Correct Answer-C. Oxygen Transmissibility
A prism ballast, trunctated lens is on a left eye. The cylinder axis is 90 degrees. Prism base is
noted to rotate 15 ddegrees nasally. What cylinder axis shoud be ordered to compensate for the
rotation?
a. 95, b. 105, c. 110, d. 75, e. 80 ✔Correct Answer-B. 105
Small superficial linear stains are characteristic of?
a. foreign particles under the lens, b. poor insertion, c. exposure, d. unblemded peripheral
curves, e. flat lens corneal relationship ✔Correct Answer-A. Foreign particles under the lens
A patient has the following prescription: OD -4.50 -2.00 x 010 "k" 44.25@10/46.25@100
A trial lens of -2.00 -1.75 x 020 is placed on the eye. Using a -1.25 OR and the base pivots 10
degrees nasal, which lens should be ordered?
a. -3.25 -1.75 x 010, b. -3.25 -1.75 x 180, c. -3.25 -1.75 x 020, d. -3.25 -1.75 x 030 ✔Correct
Answer-B. -3.25 -1.75 x 180
Diffuse corneal stippling observed during a routine 6 month follow up visit is most likely due to:
a. microcystic edema, b. posterior surface deposits, c. warped lens, d. gross edema, e. incorrect
power ✔Correct Answer-B. Posterior surface deposits
Arc staining is observed during a routine follow up visit is most likely due to:
a. microcyst edema, b. posterior surface deposits, c. improper recentering technique, d. gross
edema, e. incorrect power ✔Correct Answer-C. Improper recentering technique
A flourescein pattern which shows a touch apperance in the horizontal meridian and a brighter
green in the vertical meridian indicates that the patient has:
a. against the rule astigmatism, b. residual astigmatism, c. with the rule astigmatism, d. oblique
astigmatism ✔Correct Answer-C. With the rule astigmatism
The advantage of fluorocarbon materials include:
a. wettability, b. deposit resistance, c. oxygen transmissibility, d. the use of larger lens
diameters, e. all of the above ✔Correct Answer-E. All the above
If a patient has reduced acuity and a gas permeable lens is found to flex on the eye, which lens
modifications are available to the fitter?
,a. larger diameter, b. steeper base curve, c. flatten base curve, d. thicker lens, e. c and d
✔Correct Answer-E. C and D
When modifying RGP lenses:
a. a fast spindle is necessary, b. an ammonia-based polishing compound should be used, c. the
polishing compound should be frequently applied, d. modifications should be avoided
✔Correct Answer-C. The polishing compound should be frequently applied
A fluorescesin pattern that shows a bright green in the center and bearing at the periphery
would indicate:
a. WTR pattern, b. Flat pattern, c. ATR pattern, d. Steep pattern ✔Correct Answer-D. Steep
pattern
The Burton Lamp is used to:
a. measure HVID, b. check for inflammation, c. steralize soft lenses, d. observe fluorescein
patterns, e. none of the above ✔Correct Answer-D. Observe fluorescein patterns
The most common problem with extended wear lenses is:
a. tight lens syndrome, b. dry eyes, c. lens coating, d. poor vision, e. none of these ✔Correct
Answer-C. Lens coating
Disposable contact lenses are approaved by the FDA for ________ of continous wear.
a. one week, b. two weeks, c. 1 month, d. 3 months, e. B and C ✔Correct Answer-E. B and C
The deposit most often seen on extended wearer lenses are:
a. protein, b. lipids, c. calcium, d. jelly bumps ✔Correct Answer-A. Protein
Following the Dyer Nomogram, which of the following would not be realistic K reading/lens
diameter relationship?
a. K: 43.00/44.00/lens diameter 8.5,
b. K: 48.00/49.00/lens diameter 7.8,
c. K: 40.00/41.00/lens diameter 9.3,
d. K: 40.00/41.00/lens diameter 8.3 ✔Correct Answer-D. K: 40.00/41.00/lens diameter 8.3
Given the following information: K's 45.00/44.00 @ 090 Rx -3.00 + 1.00 x 180
Which of the following set of specifications would most simulate an intrapalebral RGP fitting?
B.C. Rx Dia
a. 44.50 -2.50 8.5
b. 43.50 -1.50 8.5
c. 43.50 -1.50 9.5
d. 44.50 -2.50 9.5 ✔Correct Answer-A. 44.50 -2.50 8.5
RGP lenses should soak for a minimum of ________ hours for disinfection to take place.
a. 6 hrs, b. 4 hrs, c. overnight, d. no soaking is needed ✔Correct Answer-B. 4 hrs
, Given the following information: K's 42.00@180/43.00@90, Rx -2.00 -.75 x 180
Which of the following set of lens specifications would most simulate a lid attachment RGP
fitting:
B.C. Rx Dia
a. 43.00 -2.50 9.5
b. 41.50 -1.50 9.5
c. 42.50 -2.50 8.5
d. 43.00 -3.00 8.2 ✔Correct Answer-B. 41.50 -1.50 9.5
Which of the following polishing compounds should not be used with gas permeable lenses?
a. sil 02 care b. Silvo c. Alox PG d. XPal ✔Correct Answer-B. Silvo
When fitting superior limbal gas permeable lenses, the ideal lens-corneal relationship should
include the following except:
a. apical clearance
b. moderate edge lift
c. mild apical bearing
d. upper edge of the lens should be located at or near the superior limbus ✔Correct Answer-
A. Apical clearance
A patient fit .50 D flatter than K with contact lens power of -2.00 would most likely have a
spherical component of________ in their spectacle Rx, when in minus cylinder form. (use sam
or fap)
a. -.50, b. -2.50, c. -1.50, d. none of the above ✔Correct Answer-B. -2.50
In the Dyer nomogram, the primary curve is the:
a. steepest K, b. flattest K, c. median K, d. horizontal K ✔Correct Answer-B. Flattest K
Under slit lamp evaluation with fluorescein, corneal areas that appear dark and do not hold
stain during blinking are most likely:
a. dry spots, b. punctuates, c. infiltrates, d. abrasions ✔Correct Answer-A. Dry spots
When fitting one eye for distance and one eye for near, the distance correction is usually placed
in the:
a. dominant eye, d. non dominant eye c. more minus eye, d. less minus eye ✔Correct Answer-
A. Dominant eye
A nearsighted person will feel lack of accommodation from presbyopia:
a. earlier with contacts, b. earlier with spectacles, c. simultaneously with contact lenses and
spectacles, d. not at all with contacts ✔Correct Answer-A. Earlier with contacts
A farsighted person will feel lack of accommodation from presbyopia:
Answers |Actual Complete Update |Already Graded A+
(Just Released)
DK/L Stands for: a. oxygen permeability, b. thermal conduction, c. oxygen transmissibility, d.
wettability ✔Correct Answer-C. Oxygen Transmissibility
A prism ballast, trunctated lens is on a left eye. The cylinder axis is 90 degrees. Prism base is
noted to rotate 15 ddegrees nasally. What cylinder axis shoud be ordered to compensate for the
rotation?
a. 95, b. 105, c. 110, d. 75, e. 80 ✔Correct Answer-B. 105
Small superficial linear stains are characteristic of?
a. foreign particles under the lens, b. poor insertion, c. exposure, d. unblemded peripheral
curves, e. flat lens corneal relationship ✔Correct Answer-A. Foreign particles under the lens
A patient has the following prescription: OD -4.50 -2.00 x 010 "k" 44.25@10/46.25@100
A trial lens of -2.00 -1.75 x 020 is placed on the eye. Using a -1.25 OR and the base pivots 10
degrees nasal, which lens should be ordered?
a. -3.25 -1.75 x 010, b. -3.25 -1.75 x 180, c. -3.25 -1.75 x 020, d. -3.25 -1.75 x 030 ✔Correct
Answer-B. -3.25 -1.75 x 180
Diffuse corneal stippling observed during a routine 6 month follow up visit is most likely due to:
a. microcystic edema, b. posterior surface deposits, c. warped lens, d. gross edema, e. incorrect
power ✔Correct Answer-B. Posterior surface deposits
Arc staining is observed during a routine follow up visit is most likely due to:
a. microcyst edema, b. posterior surface deposits, c. improper recentering technique, d. gross
edema, e. incorrect power ✔Correct Answer-C. Improper recentering technique
A flourescein pattern which shows a touch apperance in the horizontal meridian and a brighter
green in the vertical meridian indicates that the patient has:
a. against the rule astigmatism, b. residual astigmatism, c. with the rule astigmatism, d. oblique
astigmatism ✔Correct Answer-C. With the rule astigmatism
The advantage of fluorocarbon materials include:
a. wettability, b. deposit resistance, c. oxygen transmissibility, d. the use of larger lens
diameters, e. all of the above ✔Correct Answer-E. All the above
If a patient has reduced acuity and a gas permeable lens is found to flex on the eye, which lens
modifications are available to the fitter?
,a. larger diameter, b. steeper base curve, c. flatten base curve, d. thicker lens, e. c and d
✔Correct Answer-E. C and D
When modifying RGP lenses:
a. a fast spindle is necessary, b. an ammonia-based polishing compound should be used, c. the
polishing compound should be frequently applied, d. modifications should be avoided
✔Correct Answer-C. The polishing compound should be frequently applied
A fluorescesin pattern that shows a bright green in the center and bearing at the periphery
would indicate:
a. WTR pattern, b. Flat pattern, c. ATR pattern, d. Steep pattern ✔Correct Answer-D. Steep
pattern
The Burton Lamp is used to:
a. measure HVID, b. check for inflammation, c. steralize soft lenses, d. observe fluorescein
patterns, e. none of the above ✔Correct Answer-D. Observe fluorescein patterns
The most common problem with extended wear lenses is:
a. tight lens syndrome, b. dry eyes, c. lens coating, d. poor vision, e. none of these ✔Correct
Answer-C. Lens coating
Disposable contact lenses are approaved by the FDA for ________ of continous wear.
a. one week, b. two weeks, c. 1 month, d. 3 months, e. B and C ✔Correct Answer-E. B and C
The deposit most often seen on extended wearer lenses are:
a. protein, b. lipids, c. calcium, d. jelly bumps ✔Correct Answer-A. Protein
Following the Dyer Nomogram, which of the following would not be realistic K reading/lens
diameter relationship?
a. K: 43.00/44.00/lens diameter 8.5,
b. K: 48.00/49.00/lens diameter 7.8,
c. K: 40.00/41.00/lens diameter 9.3,
d. K: 40.00/41.00/lens diameter 8.3 ✔Correct Answer-D. K: 40.00/41.00/lens diameter 8.3
Given the following information: K's 45.00/44.00 @ 090 Rx -3.00 + 1.00 x 180
Which of the following set of specifications would most simulate an intrapalebral RGP fitting?
B.C. Rx Dia
a. 44.50 -2.50 8.5
b. 43.50 -1.50 8.5
c. 43.50 -1.50 9.5
d. 44.50 -2.50 9.5 ✔Correct Answer-A. 44.50 -2.50 8.5
RGP lenses should soak for a minimum of ________ hours for disinfection to take place.
a. 6 hrs, b. 4 hrs, c. overnight, d. no soaking is needed ✔Correct Answer-B. 4 hrs
, Given the following information: K's 42.00@180/43.00@90, Rx -2.00 -.75 x 180
Which of the following set of lens specifications would most simulate a lid attachment RGP
fitting:
B.C. Rx Dia
a. 43.00 -2.50 9.5
b. 41.50 -1.50 9.5
c. 42.50 -2.50 8.5
d. 43.00 -3.00 8.2 ✔Correct Answer-B. 41.50 -1.50 9.5
Which of the following polishing compounds should not be used with gas permeable lenses?
a. sil 02 care b. Silvo c. Alox PG d. XPal ✔Correct Answer-B. Silvo
When fitting superior limbal gas permeable lenses, the ideal lens-corneal relationship should
include the following except:
a. apical clearance
b. moderate edge lift
c. mild apical bearing
d. upper edge of the lens should be located at or near the superior limbus ✔Correct Answer-
A. Apical clearance
A patient fit .50 D flatter than K with contact lens power of -2.00 would most likely have a
spherical component of________ in their spectacle Rx, when in minus cylinder form. (use sam
or fap)
a. -.50, b. -2.50, c. -1.50, d. none of the above ✔Correct Answer-B. -2.50
In the Dyer nomogram, the primary curve is the:
a. steepest K, b. flattest K, c. median K, d. horizontal K ✔Correct Answer-B. Flattest K
Under slit lamp evaluation with fluorescein, corneal areas that appear dark and do not hold
stain during blinking are most likely:
a. dry spots, b. punctuates, c. infiltrates, d. abrasions ✔Correct Answer-A. Dry spots
When fitting one eye for distance and one eye for near, the distance correction is usually placed
in the:
a. dominant eye, d. non dominant eye c. more minus eye, d. less minus eye ✔Correct Answer-
A. Dominant eye
A nearsighted person will feel lack of accommodation from presbyopia:
a. earlier with contacts, b. earlier with spectacles, c. simultaneously with contact lenses and
spectacles, d. not at all with contacts ✔Correct Answer-A. Earlier with contacts
A farsighted person will feel lack of accommodation from presbyopia:
