2375

Question 1

T/F: Congenital myopia is normally acquired with excessive work on computers.

Answer 1

FALSE

Question 2

T/F: Irregular astigmatism occurs when the principal meridians are 90 degrees apart at an oblique axis.

Answer 2

FALSE

Question 3

T/F: Pseudomyopia is a condition of on-going spasm of accommodation and required plus lenses to correct.

Answer 3

TRUE

Question 4

All of the following conditions require partial correction of hyperopia except: 
A-large amounts of latency 
B-exophoria 
C-esophoria 
D-very young patient

Answer 4

C-ESOPHORIA

Question 5

An astigmatic correction with its steepest power at 180 degrees is considered: 
 A-with the rule 
B-against the rule 
C-oblique 
D-lenticular

Answer 5

B-against the rule

Question 6

T/F: Pseudomyopia can be corrected using minus lenses.

Answer 6

FALSE

Question 7

The most stable refractive error which rarely changes over time is:

Answer 7

ASTIGMATISM

Question 8

Methods that have been used to control myopic progression include all of the following except: 
A-base out prism 
B-visual training 
C-bifocal correction 
D-contact lenses

Answer 8

A-base out prism

Question 9

Accommodation that is uncovered during a normal non cycloplegic refraction is known as: 
A-manifest 
B-latent 
C-total 
D-hyperopia

Answer 9

A-manifest

Question 10

The most common refractive error in the general population is:

Answer 10

ASTIGMATISM

Question 11

T/F: Excessive near work or computer use can lead to acquired myopia

Answer 11

TRUE

Question 12

All of the following conditions require full correction of hyperopia except: 
A-marked eyestrain 
B-decreased amplitude of accommodation 
C-maximum acuity needed at distance 
D-constant esotropia

Answer 12

C-maximum acuity needed at distance

Question 13

An astigmatic correction with its steepest power at 90 degrees is considered:

Answer 13

WTR

Question 14

T/F: Of all of the refractive errors, myopia is the only one to show definite environmental factors on the incidence, distribution, degree and changes.

Answer 14

TRUE

Question 15

A place where there is a high incidence of myopia is:

Answer 15

CHINA

Question 16

T/F: Total hyperopia plus latent hyperopia equal manifest hyperopia.

Answer 16

FALSE

Question 17

A place where there is a low incidence of myopia is:

Answer 17

AFRICA

Question 18

T/F: Fogging or cyclopligics is commonly used to bring out latent hyperopia to manifest.

Answer 18

TRUE

Question 19

Hyperopia that is uncovered during a cycloplegic refraction and is added to the latent hyperopia is known as:

Answer 19

TOTAL

Question 20

The refractive error that most likely has environmental contributing factors is:

Answer 20

MYOPIA

Question 21

An example of an objective refraction is:

Answer 21

retinoscopy or autorefraction

Question 22

Over accommodation can cause all of the following symptoms except: 
A-nausea 
B-headache 
C-browache 
D-divergent strabismus

Answer 22

D-divergent strabismus

Question 23

T/F: Asthenopia is a symptom of an uncorrected refractive error.

Answer 23

TRUE

Question 24

Residual astigmatism is due to: 
A-anterior corneal surface 
B-posterior corneal surface 
C-lenticular surface 
D-both b and c are correct

Answer 24

D-both b and c are correct

Question 25

``` Accommodation not uncovered during a normal non cycloplegic refraction is known as: A-manifest B-latent C-total D-hyperopia ```

Answer 25

B-latent

Question 26

``` examples of an subjective refraction is all of the following except: A-subjective refinement B-retinoscopy or autorefraction C-near point add test D-ocular motility tests ```

Answer 26

B-retinoscopy or autorefraction

Question 27

More than 2/3 of the eye's refractive power is due to the:

Answer 27

CORNEA

Question 28

T/F The average power of an eye in total is 43.00 Diopters.

Answer 28

FALSE

Question 29

T/F To see clearly, the eye's optical system must form a point focus on the optic nerve of the retina

Answer 29

FALSE

Question 30

The ability of the eye to change its shape to focus at near is known as:

Answer 30

ACCOMMODATION

Question 31

All of the following are associated with hyperopia except: A-eyeball too small B-corrected with plus lenses C-light from distance point will come to a focus behind the retina D-distance between the lens and retina is too great

Answer 31

D-distance between the lens and retina is too great

Question 32

T/F The Crystalline Lens has 2 converging minus power surfaces

Answer 32

FALSE

Question 33

``` The main function of the Choroid is: A-Nourishment B-Muscular C-Protection D-Cosmetic ```

Answer 33

A-Nourishment

Question 34

``` The main function of the Sclera is: A-Nourishment B-Muscular C-Protection D-Cosmetic ```

Answer 34

C-Protection

Question 35

T/F The Fovea Centralis (macula) contains the highest percentage of cones in the retina.

Answer 35

TRUE

Question 36

T/F The "Human Seeing System consists of 2 sets of lenses, 2 sensing devices and 1 brain and is used to describe how we see.

Answer 36

TRUE

Question 37

Which optical component of the eye has the greatest dioptric power?

Answer 37

CORNEA

Question 38

All of the following changes take place during accommodation except: A-pupil dilates B-anterior surface of lens moves forward C-anterior surface of lens becomes more convex D-all of the above take place during accommodation

Answer 38

A-pupil dilates

Question 39

T/F One of the functions of the ciliary muscle of the eye is to stimulate accommodation.

Answer 39

TRUE

Question 40

T/F Axial Myopia is nearsightedness due to a longer than average global length of the eye.

Answer 40

TRUE

Question 41

``` Presbyopia can be corrected by all of the following except: A-refractive surgery B-multifocals C-reading glasses D-plus lenses ```

Answer 41

A-refractive surgery

Question 42

``` Hyperopia can cause all of the following except: A-asthenopia B-headaches C-esophoria D-lazy eye E-exophoria ```

Answer 42

E-exophoria

Question 43

T/F Exophoria is a tendency for the eyes to turn in.

Answer 43

FALSE

Question 44

T/F The myope can improve visual acuity by accommodating for the object to be viewed

Answer 44

FALSE

Question 45

T/F Astigmatism is a refractive condition in which the eye's optical system is incapable of forming a point image for a point object

Answer 45

TRUE

Question 46

T/F An uncorrected myope has good visual acuity at distance but poor visual acuity at near.

Answer 46

FALSE

Question 47

T/F Corneal Hyperopia is a refractive error in which the cornea of the eye is too steep.

Answer 47

FALSE

Question 48

T/F Presbyopia is caused by a decreased functioning of the crystalline lens in the eye.

Answer 48

TRUE

Question 49

``` The condition in which a client diagnosed with presbyopia sees clearly in the distance while looking through their reading prescription is known as: __________________. A-Axial Presbyopia B-Latent Presbyopia C-Axial Hyperopia D-Latent Hyperopia ```

Answer 49

D-Latent Hyperopia

Question 50

``` An uncorrected myope _________accommodates and leans towards ___ phoria. A-over/exo B-over/eso C-under/exo D-under/eso ```

Answer 50

C-under/exo

Question 51

``` An uncorrected hyperope __________accommodates and leans towards _______ phoria. A-over/exo B-over/eso C-under/exo D-under/eso ```

Answer 51

B-over/eso

Question 52

T/F A person cannot have both hyperopia and astigmatism in a presbyopic correction.

Answer 52

FALSE

Question 53

T/F An astigmatic eye could focus light rays both in front of and behind the retina.

Answer 53

TRUE

Question 54

T/F The optical image is the image actually formed on the retina, while the retinal image is the actual image formed by the eye's optical system.

Answer 54

FALSE