NURS 190 Quiz 2:
eyes, Ears, nose,
mouth, and throat
, Macula - CORRECT ANSWERS-is responsible for central vision. It's yellow, pit like
center called the fovea central is, appears as a hyper-pigmented spot on the temporal
aspect of the retina
pterygium - CORRECT ANSWERS-thin tissue growing into the cornea from the
conjunctiva, usually caused from sun exposure
-UV induced temporary loss of vision
what equipment is used to assess objective data for the eye ? - CORRECT ANSWERS-
-visual acuity charts
-opaque card or eye cover
-penlight
-cotton tipped applicator
-ophthalmoscope
Cranial Nerve II: Optic - CORRECT ANSWERS--Function: sensory - carries impulse for
vision
-Testing procedure: eye chart testing, visual field testing
Testing distance vision - CORRECT ANSWERS-Snellen Chart
Snellen eye chart - CORRECT ANSWERS-eye chart used by eye care professionals
and others to measure visual acuity.
-position patient exactly 20 ft away
-patient can be standing or seat
-chat must be eye level
-read lines from top to bottom
-read lines from left to right
-cover one eye at a time
-if patient wears glasses have them take the test with and without glasses
Findings of Snellen Chart - CORRECT ANSWERS--any findings other than 20/20 are
considered abnormal.
ex: 20/40 means that the line the patient can read at 20 feet away can be read by a
person with normal vision at 40 feet away
Testing Peripheral Vision - CORRECT ANSWERS-1. position patient (patient and
examiner sit in front of each other 2-3 ft away)
2. Explain to the patient that they will alternatively cover an eye and must look directly
into your open eye. A pen or penlight will be moved into the patients field of vision from
four directions. The patient is to indicate by saying now or yes when the object is first
seen
extraocular movements - CORRECT ANSWERS-eye movements controlled by several
pairs of eye muscles
eyes, Ears, nose,
mouth, and throat
, Macula - CORRECT ANSWERS-is responsible for central vision. It's yellow, pit like
center called the fovea central is, appears as a hyper-pigmented spot on the temporal
aspect of the retina
pterygium - CORRECT ANSWERS-thin tissue growing into the cornea from the
conjunctiva, usually caused from sun exposure
-UV induced temporary loss of vision
what equipment is used to assess objective data for the eye ? - CORRECT ANSWERS-
-visual acuity charts
-opaque card or eye cover
-penlight
-cotton tipped applicator
-ophthalmoscope
Cranial Nerve II: Optic - CORRECT ANSWERS--Function: sensory - carries impulse for
vision
-Testing procedure: eye chart testing, visual field testing
Testing distance vision - CORRECT ANSWERS-Snellen Chart
Snellen eye chart - CORRECT ANSWERS-eye chart used by eye care professionals
and others to measure visual acuity.
-position patient exactly 20 ft away
-patient can be standing or seat
-chat must be eye level
-read lines from top to bottom
-read lines from left to right
-cover one eye at a time
-if patient wears glasses have them take the test with and without glasses
Findings of Snellen Chart - CORRECT ANSWERS--any findings other than 20/20 are
considered abnormal.
ex: 20/40 means that the line the patient can read at 20 feet away can be read by a
person with normal vision at 40 feet away
Testing Peripheral Vision - CORRECT ANSWERS-1. position patient (patient and
examiner sit in front of each other 2-3 ft away)
2. Explain to the patient that they will alternatively cover an eye and must look directly
into your open eye. A pen or penlight will be moved into the patients field of vision from
four directions. The patient is to indicate by saying now or yes when the object is first
seen
extraocular movements - CORRECT ANSWERS-eye movements controlled by several
pairs of eye muscles
