Ans-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).
3-How is it done?
Ans-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.
4- What are the benefits?
Ans- 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.
5-What are the limitations?
Ans-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.
6-How much time is taken?
Ans-Total time require for the whole procedure is 1 to 1 ½ hrs.
7-When is it to be repeated?
Ans- It is to be repeated as per doctors advise.
8-What are the alternative tests?
Ans-FFA (fundus fluoroscein angiography) Fundal photo test.
9-How much does it cost?
The cost may vary from one hospital to the other.