NCLE REVIEW QUESTIONS |
GUARANTEED ACCURATE
ANSWERS
DK/L Stands for: a. oxygen permeability, b. thermal conduction, c.
oxygen transmissibility, d. wettability - ACCURATE ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ 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 -
ACCURATE ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ 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 - ACCURATE
ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ 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 - ACCURATE
ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ 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 -
ACCURATE ANSWERS✔✔ 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 - ACCURATE
ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ 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 -
ACCURATE ANSWERS✔✔ E. B and C
The deposit most often seen on extended wearer lenses are:
a. protein, b. lipids, c. calcium, d. jelly bumps - ACCURATE
ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ 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
GUARANTEED ACCURATE
ANSWERS
DK/L Stands for: a. oxygen permeability, b. thermal conduction, c.
oxygen transmissibility, d. wettability - ACCURATE ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ 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 -
ACCURATE ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ 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 - ACCURATE
ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ 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 - ACCURATE
ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ 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 -
ACCURATE ANSWERS✔✔ 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 - ACCURATE
ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ 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 -
ACCURATE ANSWERS✔✔ E. B and C
The deposit most often seen on extended wearer lenses are:
a. protein, b. lipids, c. calcium, d. jelly bumps - ACCURATE
ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ 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
