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ABO sample Questions WITH ANSWERS GRADED A+
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EUNICEABO sample Questions WITH 100% CORRECT ANSWERS
Terms in this set (60)
When light is refraction by a prism it is: B. Bent toward the base
a. Bent toward the apex A prism always bends light toward its base.
b, Bent toward the base
c. Not bent
d. Reflected
Prisms: I. Always bend light toward base
I. Always bend light toward the base III. Cause chromatic dispersion.
II. Always bend light toward the apex IV. Move the image toward the apex.
III. Cause chromatic Dispersion V. are sometimes prescribed for muscle problems
IV. Move the image toward the apex
V. Are sometimes prescribed for muscle
problems
Plus lenses are: I. Are thicker in the center than at the edges.
I. are thicker in the center than at the edges
II. Are used to correct myopia
III. Are used by all presbyopes
IV. Must be surfaced individually in the
laboratory
Which of the following does not describe a c. A minus lens minifies, not maginfies
minus lens
a, The image moves with motion
b. Thicker at the edge than in the center
c. Magnifies the image
d. Corrects for myopia
The parts of the eye that refract light are: A. Cornea, Aqueous humor, lens and vitreous humor.
a. Cornea, Aqueous humor, lens and
vitreous humor
b. Cornea, Iris, and lens
c.Retina, choriod, lens, and aqueous humor
d. cornea, lens, and pupil
1/9
, Where the sclera and the cornea meet is B. Limbus
called the
a. Iris
b. Limbus
c. Ora serrata
d. conjunctiva
A cataract is: b. A cloudiness of the crystalline lens
a. A film over the eye A cataract may also be referred to as opacification of the lens. removal or absence
b. a cloudiness of the crystalline lens of the crystalline lens is aphakia
c. removal of the crystalline lens
d. an internal ptergium
Near visual acuity is often abbreviated as: D. J.2
a. 20/40 Distance visual acuity usually has two numbers. It is a comparison of the distance a
b. 10/10 patient is from the target to what an average person can see at that distance. One of
c. N. 15 the most common tests for visual acuity is the Jaeger test Card. The results are
d. J.2 signified by the letter J with a number.
Myopia can be attributed to C. a longer than normal eyeball
a. Loss of accommodation. Myopia is a condition of distance vision. It is caused by the refracting system of the
b a shorter than normal eyeball eye having too much plus power for length, or the eye being too long for its power.
c. a longer than normal eyeball
d. astigmatism
Eyeglasses can relieve or correct all of the a. A scotoma
following conditions except: A scotoma is a "blind spot" of the retina. no glasses can correct it.
a. A scotoma
b. Presbyopia
c. Simple astigmatism
d. Mixed astigmatism
The condition known as second sight is b. Incipient cataract.
often associated with: Some presbyopes find they no longer need glasses to read. This so called "Second
a. increase in accommodation sight" is usually caused by an increase in myopia due to swelling of the crystalline
b. incipient cataract lens caused by a developing cataract.
c. ocular rejuvenation
d. surgery
A aphakic patient is more sensitive to light A. the filtering action of the crystalline lens is no longer present
because A Crystalline lens is a very effect filter for ultraviolet light, and as the patient gets
a. the filtering action of the crystalline lens older visible light at the short end of the spectrum (especially blue). When the lens is
is no longer present removed (cataract surgery) the person is often very sensitive to light. A ptosis or
b. cataract surgery often results in ptosis drooping of the lid is often present after surgery, but this will only reduce the amount
c. of the age of the patient of light entering the eye.
d. proper fitting reduces vertex power.
With new glasses, a patient complains that b. Increase in minus power
things appear smaller. this could be caused minus lenses minify the image (make things smaller)
by
a. increase in plus power
b. increase in minus power
c. decrease in minus power
d. astigmatism is uncorrected
A person with diplopia: b. Sees two objects
a. sees only one half of an object Di=two; diplopia= double vision
b. sees two objects
c. sees objects divided
d. has low visual acuity
2/9
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