How To Prepare
If you wear contact lenses, remove them
before the test. After the test, do not put soft contact lenses back in your
eyes for at least 4 hours because the contacts may become stained from the dye
used for the test.
Before the test, tell your doctor if
you:
- Have ever had an
to X-ray
, iodine (which is present in
indocyanine green dye), fluorescein, or dilating eyedrops.
- Have a
history of
, including
. You may need to delay doses of
certain eyedrops until after the test. The doctor also may not use dilating
eyedrops or may use different eyedrops before the test.
- Are taking
any prescription or over-the-counter medicines.
- Are or might be
pregnant or are breast-feeding. Most doctors discourage the use of this test
during pregnancy, especially during the first 3 months, and while a woman is
breast-feeding.
Talk to your doctor about any concerns you have regarding
the need for the test, its risks, how it will be done, or what the results may
mean. To help you understand the importance of this test, fill out the
medical test information form
(What is a document?).
After the test:
- Your vision may be blurred for up to 12
hours.
- You should not drive until the effects of the dilating
eyedrops wear off. Arrange for someone to drive you home.
- You
should wear sunglasses until your
return to normal size. Bright light and
sunshine may hurt your eyes.