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What is it? |
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This is a test which allows the blood vessels at the back of the eye (retina)to be
photographed as a fluorescent dye is injected into the blood stream via your hand or arm. |
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What is it done for? |
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It is done to help the doctor to confirm his diagnosis, to provide guidelines for
treatment, to detect the retinal status to keep a permanent record of the vessels at back of
the eye (retina). |
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How is it done? |
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The patient’s pupils are dilated with the dilator eye drops. An injection of yellow
dye is given into a vein in patients arm. Series of photographs are then taken as the dye
enters the vessels at the back of the eye. |
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What are the benefits? |
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1. To detect the lesion of retina.
2- Confirmation of diagnosis for retinal disorder.
3-Provides guidelines for the treatment.
4- Helps in keeping a record of the vessels at the back of the eye. |
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What are the limitations? |
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Extensive retinal hemorrhages. It is usually almost impossible to evaluate capillary
non-perfusion accurately because of the masking effect of the blood. Media opacity due
to cataract, Small pupils, poor blood circulation as in heart disease and poor cooperation.
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How much time is taken? |
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Total time require for the whole procedure is 1 to 1 ½ hrs. |
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When is to be repeated? |
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As per doctors advise. |
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What are other alternative tests? |
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FFA (fundus fluoroscein angiography) Fundal photo test.
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What is the expense? |
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The cost may vary from one hospital to the other. |
