<prompt> What is the indication of using indocyanine green angiography?Occult choroidal neovascularisationConjunctivitisVitreous hemorrhageCorneal ulcer  <response>: Ans. a Occult choroidal neovascularisationRef: Kanski 5e, Ch 14As opposed to fluorescein, indocyanine green is a larger molecule that binds completely to plasma proteins, causing it to remain in the choroidal vessels. 