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DOI:10.14744/bej.2017.79188 Beyoglu Eye J 2017; 1: 19–23 Original Article Yilmaz I., Choroidal thickness and retinal angiography 20 and ICG pass freely through choroidal vessels into the extravascular space, which may influence choroidal blood flow through either osmotic or hemorheological effect. Though it has been impossible to examine tissue pathology, choroidal thickness (CT) can easily be evaluated and measured quantitatively using optical coherence topography (OCT) (9). Any change to CT after retinal angiography procedure can be detected via OCT. Recently, determination of CT has become important in diagnosis of certain diseases, such as polypoidal choroidal vasculopathy, central serous chorioretinopathy, retinal angiomatous proliferation, and age-related maculopathy (10–13). Choroid is thicker in eyes with polypoidal choroidal vasculopathy (10) and central serous chorioretinopathy (14) than in normal eyes. It has almost become diagnostic criterion of those diseases. Alternatively, choroid is thinner than normal in eyes with retinal angiomatous proliferation (12) and age-related maculopathy (13). If a physician thinks that a patient may have such a disease, evaluating the patient’s CT is very important. Since changes in macular and choroidal thickness following FFA and ICGA have not yet been studied, objective of the present research was to use OCT to reveal effects of both procedures on retinal and choroidal anatomy.

Does choroidal thickness change with fluorescein or indocyanine retinal angiography procedures?