GUIDE LATEST 2024 ACTUAL EXAM CONTAINS
600 QUESTIONS AND CORRECT DETAILED
ANSWERS WITH RATIONALES (VERIFIED
ANSWERS) |ALREADY GRADED A+
Mary is wearing in her right eye RGP lens with a base curve of
43.50 and a power of +2.75. The doctor refracts -0.75 sphere
over this lens. If you wish to order her a new lens with a curve
of 43.00, what will the new power be?
a. +1.50
b. +2.00
c. +2.50
d. +3.00 - ...ANSWER...c. +250
Keratoconus and penetrating keratoplasty fittings are best
accomplished by which of the following methods?
a. nomogram
b. Ks and Rx
c. diagnostic fitting
d. molded impression - ...ANSWER...c. diagnostic fitting
Given the following information:
,K's 45.00/44.00 @ 90
Rx -3.00 + 1.00 x 180
Which of the following set of lens specifications would most
simulate an intrapalpebral 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 - ...ANSWER...B.C Rx Dia.
a. 44.50 -2.50 8.5
Given the following information:
K's 45.00 @ 180/42.00 @ 90
Rx -2.00 -4.25 x 90
Which of the following RGP lens designs would best correct
this wearers vision?
a. 45.00 -2.00
b. 42.00 -2.00 -4.25 x 90 prism ballasted
c. 42.00 -2.00
d. 42.00/45.00 -2.00 - ...ANSWER...d. 42.00/45.00 -2.00
A _________ lens is a translating bifocal:
a. concentric
b. aspheric
,c. deffractive
d. segmented - ...ANSWER...d. segmented
Given the following information: K's 42.50@180/42.50@90
Rx -3.00-1.00@90
Which of the following set of RGP lens specifications will best
correct this wearers vision?
a. 42.50/43.50 -3.00-1.00x90
b. 42.50 -3.00-1.00x90 prism ballasted
c. 42.50 -3.00
d. 43.00 -3.50 - ...ANSWER...b. 42.50 -3.00-1.00x90 prism
ballasted
Given the following information: K's 42.00@180/45.00@90
Rx -3.00-2.25x180
Which of the following set of RGP lens specifications will best
correct this wearers vision?
a. 42.00/45.00 -3.00-2.25
b. 42.00 -3.00-2.75 x 177 prism ballasted
c. 42.00 -3.00
d. 45.00 -3.00 - ...ANSWER...a. 42.00/45.00 -3.00-2.25
, A warped lens will show___________ base curve(s) on the
radiuscope and a ________ power on the lensometer.
a. one/spherical
b. two/sphero-cylindrical
c. one/sphero-cylindrical
d. two/spherical - ...ANSWER...d. two/spherical
The pre-corneal tear film is composed of three distinct layers.
They are:
a. Lysozyme, oil, lacrimal
b. Sebacious, mucoid, BAK
c. lipid, lacrimal, mucin
d. water, mucoid, lysozyme - ...ANSWER...c. lipid, lacrimal,
mucin
The pre-corneal tear film provides
1. A smooth optical surface
2. Metabolic nutrients
3. Endothelial reflex
4. Limbal Hyperemia
a. 1&3