Question 1

If a person's vision is 20/15, the number that denotes the distance from which a normal eye can see what the patient can see at 20 feet is known as

Accepted Answer

A) numerator. 
B) denominator. 
C) 20 feet. 
D) 15 feet.

Question 2

Most visual acuity charts are calibrated with the intention that the patient stands how far from it?

Accepted Answer

A) 40 feet 
B) 30 feet 
C) 20 feet 
D) 15 feet

Question 3

Whether or not refractive error is the cause of impaired vision can be confirmed with a

Accepted Answer

A) Snellen chart. 
B) pinhole visual acuity test. 
C) potential acuity meter. 
D) contrast sensitivity test.

Question 4

The cornea and the lens make up

Accepted Answer

A) the photoreceptors. 
B) the vitreous humor. 
C) the media. 
D) the primary refractive surface.

Question 5

During a visual acuity assessment, if the patient is able to clearly read the 20/20 line but misses one letter, the acuity is recorded as

Accepted Answer

A) 20/20 
B) 20/20 -1 
C) 20/21 
D) 21/20

Question 6

Which of the following allows the patient to visualize a Snellen chart without interference from a clouded lens?

Accepted Answer

A) Interferometer 
B) PAM 
C) Near-vision testing 
D) Lensometer

Question 7

Vertex distance can be measured with a

Accepted Answer

A) cross cylinder. 
B) PAM. 
C) distometer. 
D) pinhole disc.

Question 8

Jaeger notation, the point system, and the Snellen M-unit are units of measure used in recording what type of visual acuity?

Accepted Answer

A) Far 
B) Near 
C) Sidelong 
D) Upside

Question 9

Which of the following is the easiest letter in the alphabet to recognize?

Accepted Answer

A) T 
B) L 
C) B 
D) E

Question 10

What should a patient NOT do during a visual acuity test?

Accepted Answer

A) Say the letters they can read 
B) Wear their bifocal glasses 
C) Squint 
D) Cover the eye that is not being tested

Question 11

Convert 5/100 to 20/x.

Accepted Answer

A) 20/200 
B) 20/400 
C) 20/50 
D) 20/100

Question 12

Which of the following is a test that can help detect central serous retinopathy?

Accepted Answer

A) Contrast sensitivity 
B) Pinhole acuity 
C) Macular photostress test 
D) Glare test

Exam 15: Visual Assessment

If a person's vision is 20/15, the number that denotes the distance from which a normal eye can see what the patient can see at 20 feet is known as