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Indocyanine green angiography in enlarged blind spot syndrome
1Department of Ophthalmology and Visual Sciences, Scientific Institute H San Raffaele, University of Milano, Milano-Roma, Italy.
Purpose:
To report the indocyanine green angiography findings in a case of acute idiopathic blind spot enlargement syndrome.
Method:
The patient underwent ophthalmologic examination with fluorescein angiography and indocyanine green angiography.
Results:
A monocular enlarged blind spot was found on automated perimetry; fluorescein angiography showed a hypofluorescent peripapillary atrophic area and indocyanine green angiography highlighted diffuse, small hypofluorescent spots scattered throughout the posterior pole. Visual field defects and indocyanine green angiography abnormalities resolved over 4 weeks.
Conclusion:
Indocyanine green angiography in acute idiopathic blind spot enlargement syndrome showed many lesions not visible with fluorescein angiography, indicating a choroidal involvement reaching not only the peripapillary area but the entire posterior pole.