Fluorescein fundus angiography is a valuable method in diagnosis and treatment of central serous chorioretinopathy.
We observed 136 eyes of central serous corioretinopathy by fluorescein fundus angiography, between March; 1973 and September, 1974. Leakings are analysed by pictures and the following results were. obtained.
1. The cases were classified by leaking patterns as following: Type I, leaking is unremarkable,
Type II, leaking point appears at early arterial phase and fades out gradually,
Type III, leaking point appears at early arterial phase and increases in density gradually, but the size of the leaking area is not enlarged.
Type IVa, leaking point appears at early arterial phase and increases concentrically in the density and size,
Type IVb, leaking point appears at early arterial phase and increases vertically (mushroom shape) in its size and density.
2. In large serous detachment of the macula, the leaking tend to be single gle and located at peripheral area.
3. In type IVa and IVb, the leaking tend to be located superiorly and nasally in mid periphery.
4. Photocoagulation can be applied more easily in type IVa and IVb for the location of the leaking points.
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