Retinal photography; Eye angiography
There is a slight chance of infection any time the skin is broken. Rarely, a person is hypersensitive to the dye and may experience:
Serious allergic reactions are rare.
Your urine will be darker, and possibly orange in color, for a day or two after the test.
People with cataracts will have less accurate test results.
Yanoff M, Duker JS, Augsburger JJ, et al. eds. Ophthalmology. 2nd ed. St. Louis, Mo: Mosby; 2004:800-805.
Singh AD, Rundle PA, Rennie I. Retinal vascular tumors. Ophthalmol Clin North Am. 2005 Mar;18(1):167-76, x.