Page 1927 - Saunders Comprehensive Review For NCLEX-RN

2. The ophthalmic veins drain the blood from the eye.
II. Assessment of Vision (see Chapter 12)
III. Diagnostic Tests for the Eye
A. Fluorescein angiography
1. Description
a. A detailed imaging and recording of
ocular circulation by a series of
photographs taken after the
administration of a dye
b. Used to assess problems with retinal
circulation, such as those that occur in
diabetic retinopathy, retinal bleeding,
and macular degeneration, or to rule
out intraocular tumors
2. Preprocedure interventions
a. Assess the client for allergies and
previous reactions to dyes.
b. An informed consent is necessary.
c. A mydriatic medication, which causes
pupil dilation, is instilled into the eye 1
hour before the test.
d. The dye is injected into a vein of the
client’s arm.

e. Inform the client that the dye

may cause the skin to appear yellow
for several hours after the test and is
eliminated gradually through the
urine. Urine may be bright green or
orange for up to 2 days following the
procedure.
f. The client may experience nausea,
vomiting, sneezing, paresthesia of the
tongue, or pain at the injection site.
g. If hives appear, antihistamines such as
diphenhydramine are administered as
prescribed.
3. Postprocedure interventions
a. Encourage rest.
b. Encourage fluid intake to assist in
eliminating the dye.
c. Remind the client that the yellow skin
appearance will disappear.
d. Inform the client that the urine will
appear bright green or orange until the
dye is excreted.
e. Advise the client to avoid direct
sunlight for a few hours after the test

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