OPT-2375 Refractometry Unit 2

Question 1

An uncorrected myope _________accommodates and leans towards ___ phoria.

Answer 1

Under Accommodates and Esophoria

Question 2

Hyperopia can cause all of the following except:

Answer 2

exophoria

Question 3

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

Answer 3

True

Question 4

Exophoria is a tendency for the eyes to turn in.

Answer 4

False

Question 5

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

Answer 5

True

Question 6

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

Answer 6

False

Question 7

An uncorrected myope _________accommodates and leans towards ___ phoria.

Answer 7

under/exo

Question 8

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

Answer 8

False

Question 9

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

Answer 9

cornea

Question 10

All of the following changes take place during accommodation except:

Answer 10

pupil dilates

Question 11

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

Answer 11

True

Question 12

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

Answer 12

True

Question 13

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

Answer 13

False

Question 14

An uncorrected hyperope __________accommodates and leans towards _______ phoria.

Answer 14

over/eso

Question 15

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

Answer 15

Latent Hyperopia

Question 16

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

Answer 16

True

Question 17

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

Answer 17

True

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

False

Question 19

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

Answer 19

False

Question 20

Presbyopia can be corrected by all of the following except:

Answer 20

refractive surgery

Question 21

Simple Hyperopic Astigmatism
 D.
\+2.00 -2.00 x 180
 G. 
\+1.25
Compound Hyperopic Astigmatism
 A.
. +1.00 +0.50 x 90
 D. 
\+2.00 -2.00 x 180
Simple Myopic Astigmatism
 E.
plano -1.50 x 90
 E. 
plano -1.50 x 90
Mixed Astigmatism
 C.
\+1.50 -2.50 x 90
 C. 
\+1.50 -2.50 x 90
Compound Myopic Astigmatism
 F.
-3.00 -4.00 x 180
 F. 
-3.00 -4.00 x 180
Simple Hyperopia
 G.
\+1.25
 G. 
\+1.25
Simple Myopia
 B.
-2.50
 B. 
-2.50

Answer 21

Simple Hyperopic Astigmatism
 D.
\+2.00 -2.00 x 180
 G. 
\+1.25
Compound Hyperopic Astigmatism
 A.
. +1.00 +0.50 x 90
 D. 
\+2.00 -2.00 x 180
Simple Myopic Astigmatism
 E.
plano -1.50 x 90
 E. 
plano -1.50 x 90
Mixed Astigmatism
 C.
\+1.50 -2.50 x 90
 C. 
\+1.50 -2.50 x 90
Compound Myopic Astigmatism
 F.
-3.00 -4.00 x 180
 F. 
-3.00 -4.00 x 180
Simple Hyperopia
 G.
\+1.25
 G. 
\+1.25
Simple Myopia
 B.
-2.50
 B. 
-2.50