Quiz 3

Question 1

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

Answer 1

A. cornea *
B. aqueous
C. crystalline lens
D. vitreous

Question 2

All of the following changes take place during accommodation except:

Answer 2

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

Question 3

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

Answer 3

True *

False

Question 4

Axial myopia is nearsightedness due to a longer than average global length of the eye.

Answer 4

True *

False

Question 5

Presbyopia can be corrected by all of the following except:

Answer 5

A. refractive surgery *
B. multifocals
C. reading glasses
D. plus lenses

Question 6

Hyperopia can cause all of the following except:

Answer 6

A. asthenopia 
B. headaches
C. esophoria 
D. lazy eye
E. exophoria *

Question 7

Exophoria is a tendency for the eyes to turn in.

Answer 7

True

False *

Question 8

The myope can improve visual acuity by accommodating for one object to be viewed.

Answer 8

True

False *

Question 9

Astigmatism is a refractive condition in which the eye’s optical system is incapable of forming a point image for a point object.

Answer 9

True *

False

Question 10

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

Answer 10

True

False *

Question 11

Corneal hyperopia is a refractive error in which the cornea of the eye is too steep.

Answer 11

True

False *

Question 12

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

Answer 12

True *

False

Question 13

The condition in which a client is diagnosed with presbyopia sees clearly in the distance while looking through their reading prescription is known as _______:

Answer 13

A. axial presbyopia
B. latent presbyopia
C. axial hyperopia
D. latent hyperopia *

Question 14

An uncorrected myope _____ accommodates and leans towards ____ phoria.

Answer 14

A. over/exp
B. over/eso
C. under/exo *
D. under/eso

Question 15

An uncorrected hyperope _____ accommodates and leans towards ____ phoria.

Answer 15

A. over/exo
B. over/eso *
C. under/exo
D. under/eso

Question 16

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

Answer 16

True

False *

Question 17

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

Answer 17

True *

False

Question 18

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 18

True

False *

Question 19

+2.00 -2.00 X 180

Answer 19

Simple Hyperopic Astigmatism

Question 20

+1.00 +0.50 X 090

Answer 20

Compound Hyperopic Astigmatism

Question 21

plano -1.50 X 090

Answer 21

Simple Myopic Astigmatism

Question 22

+1.50 -2.50 X 090

Answer 22

Mixed Astigmatism

Question 23

-3.00 -4.00 X 180

Answer 23

Compound Myopic Astigmatism

Question 24

+1.25

Answer 24

Simple Hyperopia

Question 25

-2.50

Answer 25

Simple Myopia