Exam 15: Visual Assessment

In patients with nystagmus, visual acuity often improves dramatically when vision is assessed

The distance of 20 feet is used in visual acuity tests because it represents

The ability of human vision to discern shapes by their relative lightness and darkness is known as which of the following?

Allen cards can be used to measure the visual acuity of

Light perception is the ability to see light. Light projection is the ability to

The angle that an object's outermost rays subtend on the retina, and is measured in degrees or minutes of arc, is called the

Under normal circumstances, the first test administered during a visit to an ophthalmologist's office is

Malingering and hysterical visual loss are the two types of

In order to read traffic signs, a patient should have corrected vision of at least

What should the examiner do if a patient cannot read the biggest letter on a chart even after walking closer?

The best visual target for a neonate is a

The letters, numbers, pictures, etc. used on standard visual acuitycharts are known as

If a patient comes in wearing glasses, they should be worn during a visual acuity test. True or false?

If the patient can accurately identify when a light is being shown to the eye, it isrecorded as

Distance vision is optimally tested in a brightly illuminated room. True or false?

A patient with 6/18 vision has better than 20/20 vision. True or false?

It is always preferable to have a patient view a whole line of letters rather than single optotypes. True or false?

Near vision is best assessed in a brightly illuminated room. True or false?

Theminimum angle resolvable by the normal human eye is about __ minutes of arc.

The optokinetic nystagmus (OKN) drum or strip is used to