Cranial Nerves Assessment Form
Cranial Nerve Assessment Technique Normal Response Client’s 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.
IV. Trochlear Hold a penlight 1 ft. in front of Client’s eyes should be 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.
To test light sensation, have deep sensation and able
client close eyes, wipe a wisp to differentiate hot from
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
Cranial Nerve Assessment Technique Normal Response Client’s 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.
IV. Trochlear Hold a penlight 1 ft. in front of Client’s eyes should be 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.
To test light sensation, have deep sensation and able
client close eyes, wipe a wisp to differentiate hot from
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
