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Which of the following is true for the amount one prism diopter will bend a
ray of light?
a. 1 cm/1 foot of distance
b. 1 cm/1 meter of distance
c. 10 cm/1 meter of distance
d. 10m/10 meters of distance ✔✔CORRECT ANSWER✔✔b. 1 cm/1 meter of
distance
What is the distance from the back surface of the lens to the front of the
eye?
a. Pupillary distance
b. Vertex distance
c. Face form
d. Pantoscopic distance ✔✔CORRECT ANSWER✔✔b. Vertex distance
What is the Retroscopic Angle or tilt?
,a. When the bottom of the glass is closer to the cheeks
b. When both lenses rest an equal distance from the eye
c. The "B" measurement of the lens
d. The name given to the angle the temple makes with the frame front when
the bottom eye wire may be positioned away from the cheek ✔✔CORRECT
ANSWER✔✔d. The name given to the angle the temple makes with the
frame front when the bottom eye wire may be positioned away from the
cheek
What can be used to facilitate the bending of the frames?
a. Salt pan
b. Frame warmer
c. Both a & b
d. None of the above ✔✔CORRECT ANSWER✔✔c. Both a & b
What is the name given to the angle the temple makes with the frame front
when the bottom of the eyewire is closer to the cheeks than the top is to the
eyebrow?
a. Retroscopic tilt
b. Pantoscopic tilt
c. Vertex tilt
d. Face form ✔✔CORRECT ANSWER✔✔b. Pantoscopic tilt
,Which is not true of sodium fluorescein?
a. Is an opthalmic stain
b. Is the most commonly used ophthalmic dye
c. Is available in liquid form
d. Is not impregnated on dry, paper filter strips ✔✔CORRECT ANSWER✔✔d.
Is not impregnated on dry, paper filter strips
What is the smallest unit of lens measure?
a. 0.50 D
b. 0.25 D
c. 0.75 D
d. 1.00 D ✔✔CORRECT ANSWER✔✔b. 0.25 D
Anesthetic drugs cause temporary deadening of a nerve, which results in
loss of feeling in the surrounding area.
a. True
b. False ✔✔CORRECT ANSWER✔✔a. True
What happens when someone is diagnosed with keratoconus?
a. The retina pulls away from the eyelid
, b. The cornea thins & bulges forward
c. The clear transparent tissue of the eye is torn
d. The eyelid becomes inflamed ✔✔CORRECT ANSWER✔✔b. The cornea
thins & bulges forward
Replacement of the crystalline lens with an intraocoular lens creates a
condition called pseudophakia.
a. True
b. False ✔✔CORRECT ANSWER✔✔a. True
A visual condition where the eyes make repetitive, uncontrolled movements
often resulting in reduced vision is known as?
a. Strabismus
b. Aphakia
c. Nystagmus
d. Pinguecula ✔✔CORRECT ANSWER✔✔c. Nystagmus
Diabetic patients may have vision loss due to diabetic retinopathy.
a. True
b. False ✔✔CORRECT ANSWER✔✔a. True