ULEARN OPTICAL TRAINING
COMPLETE QUESTIONS WITH
ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED
A+
The extra-ocular muscles are inserted into the sclera and serve to rotate the eye in all
possible directions. How many of these muscles are in each eye?
a. two
b. four
c. six
d. eight - CORRECT ANSWER>>>>c. six
The fibrous tunic is comprised of the ____________.
a. iris and choroid
b. sclera, cornea, and limbus
c. iris, ciliary body, and choroid
d. retina and optic disk - CORRECT ANSWER>>>>b. sclera, cornea, and limbus
Fusion occurs in the _________.
a. brain
b. optic chiasm
c. retina
d. fovea centralis - CORRECT ANSWER>>>>a. brain
The aqueous fluid is continuously being produced by _______________.
a. the iris
b. crystalline lens
c. ciliary body
d. choroid - CORRECT ANSWER>>>>c. ciliary body
The ability of the eye to bring objects of varying distances to focus on the retina is
known as _____________.
a. presybopia
b. esophoria
c. accomodation
d. fusion - CORRECT ANSWER>>>>c. accomodation
When accomodation is at rest, rays of light from a distant source come to rest in front of
the retina. This condition is known as _______________.
a. hyperopia
b. myopia
,c. presbyopia
d. amblyopia - CORRECT ANSWER>>>>b. myopia
While reading or performing other near vision tasks:
1. the pupils constrict
2. the eyes converge
3. the crystalline lens accomodates
4. the stroma contracts
a. 1 and 2
b. 2 and 3
c. 1, 2, and 3
d. 2, 3, and 4 - CORRECT ANSWER>>>>c. 1, 2, and 3
The area of the retina capable of perceiving the greatest amount of detail is
____________.
a. macula
b. fovea centralis
c. ora serrata
d. rods - CORRECT ANSWER>>>>b. fovea centralis
The average cornea has a refractive power of approximately ___________________.
a. 14 diopters
b. 23 diopters
c. 43 diopters
d. 63 diopters - CORRECT ANSWER>>>>c. 43 diopters
The layer of the cornea which is highly regenerative is _______________.
a. the stroma
b. the endothelium
c. Bowman's membrane
d. the epithelium - CORRECT ANSWER>>>>d. the epithelium
A tendency of the visual axis to deviate inward when the eyes are at a position of rest is
known as _______________.
a. exophoria
b. esophoria
c. hyperphoria
d. esotropia - CORRECT ANSWER>>>>b. esophoria
The term used to indicate "double vision" is ______________.
a. presbyopia
b. catract
c. amblyopia
d. diplopia - CORRECT ANSWER>>>>d. diplopia
, The condition is which the ability to accomodate for near vision becomes inadequate
because of loss of elasticity in the crystalline lens is called _____________.
a. strabismus
b. glaucoma
c. presbyopia
d. scotoma - CORRECT ANSWER>>>>c. presbyopia
When there is loss of vision without any apparent disease of the eye, it is known as
______________.
a. cataract
b. glaucoma
c. amblyopia
d. scotoma - CORRECT ANSWER>>>>c. amblyopia
A refractive error in which the rays of light do not come to a single point of focus is
called ______________.
a. astigmatism
b. strabismus
c. cataract
d. diplopia - CORRECT ANSWER>>>>a. astigmatism
An ocular disease having as its primary characteristic a sustained increase in
intraocular pressure is called _____________.
a. antimetropia
b. aniseikonia
c. glaucoma
d. anisometropia - CORRECT ANSWER>>>>c. glaucoma
The space between the iris and the lens which is filled with aqueous is called
___________.
a. anterior chamber
b. posterior chamber
c. vitreous chamber
d. canal of schlemm - CORRECT ANSWER>>>>b. posterior chamber
A tendency of one eye to deviate upward is ________________.
a. hyperphoria
b. hypophoria
c. exophoria
d. esophoria - CORRECT ANSWER>>>>a. hyperphoria
A condition in which the refractive error of one eye significantly differs from that of the
other and wher both eyes have the same sign (i.e. both eyes are myopic or hyperopic)
is known as_______________.
a. antimetropia
b. anisometropia
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