Cranial Nerves Assessment Form
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2Cranial Nerves Assessment Form
Client’s Response
Cranial Nerve
Assessment Technique
Normal Response
I. Olfactory
Ask the client to smell and
Client is able to identify
Client was able to describe the odor of
identify the smell of cologne
different smell with each
the materials used.
with each nostril separately
nostril separately and
and with the eyes closed.
with eyes closed unless
such condition like colds
is present.
II. Optic
Provide adequate lighting
The client should be
Client was able to read with each eye
and ask client to read from a
able to read with each
and both eyes.
reading material held at a
eye and both eyes.
distance of 36 cm. (14 in.).
III. Oculomotor
Illuminated and non-
PERRLA (pupils equally round and
Reaction to light:
illuminated pupil should
reactive to light and accommodation)
Using a penlight and
constrict.
approaching from the side,
shine a light on the pupil.
Observe the response of the
illuminated pupil. Shine the
light on the pupil again, and
observe the response of the
other pupil.
Reaction to
Pupils constrict when
accommodation:
looking at a near object,
Ask client to look at a near
dilate when looking at a
object and then at a distant
distant object, converge
object. Alternate the gaze
when near object is
from the near to the far
moved towards the
object. Next, move an object
nose.
towards the client’s nose.
Client’s eyes should be
IV. Trochlear
Hold a penlight 1 ft. in front of
Both eyes are able to move as
the client’s eyes. Ask the
able to follow the
necessary.
client to follow the
penlight as it moves.
movements of the penlight
with the eyes only. Move the
penlight upward, downward,
sideward and diagonally.
V. Trigeminal
While client looks upward,
Client should have a (+)
Client was able to elicit corneal reflex,
lightly touch lateral sclera of
corneal reflex, able to
sensitive to pain stimuli and
eye to elicit blink reflex.
respond to light and
distinguish hot from cold.
deep sensation and able
To test light sensation, have
to differentiate hot from
client close eyes, wipe a wisp
of cotton over client’s
cold.
forehead.
To test deep sensation, use
alternating blunt and sharp
ends of an object. Determine
sensation to warm and cold
object by asking client to
identify warmth and
coldness.
VI. Abducens
Hold a penlight 1 ft. in front of
Both eyes coordinated,
Both eyes move in coordination.
the client’s eyes. Ask the
move in unison with
client to follow the
parallel alignment.
movements of the penlight
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Parent category: Medical