In some people, the dilating or anesthetic
eyedrops can cause:
Call your doctor immediately if you have severe and sudden
eye pain, vision problems (halos may appear around light), or loss of vision
after the exam.
Ophthalmoscopy is a test that allows a
doctor to see inside the back of the eye (called the fundus) and other
structures using a magnifying instrument (ophthalmoscope) and a light
- All of the structures inside the eye
retina is detached .
- Swelling of the
optic nerve (papilledema) is found.
nerve damage caused by
glaucoma is found.
- Changes in the retina
(such as hard, white deposits beneath the retina called drusen, or broken blood
vessels called hemorrhages) point to
- Damaged blood
vessels or bleeding in the back of the eye is seen. This could be caused by
diseases such as high blood pressure or
What Affects the Test
Reasons you may not be able to
have the test or why the results may not be helpful include:
- Inability to remain still during the
- Eye problems, such as incomplete pupil dilation, cataracts,
or cloudiness of the liquid inside the eyeball.
What To Think About
- Other eye tests may be done routinely along
with ophthalmoscopy, including vision testing and tonometry testing for
- Indirect ophthalmoscopy is a
more difficult procedure and requires greater skill and more specialized
equipment than direct ophthalmoscopy, so it is generally done by
- Indirect ophthalmoscopy has several advantages
over direct ophthalmoscopy:
- It allows better visualization of the
inside of the eye when a cataract is present.
- It provides a
three-dimensional (3-D) view of the back of the eye, allowing a more detailed
view of certain eye conditions (such as growths, optic nerve swelling, or
- It allows a wider view of the back of the
- If your doctor suspects a problem with the blood
vessels in your eye, a test called eye angiography may be done. This test uses
fluorescein dye and a camera to photograph blood vessels in the eye. To learn more, see the topic