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Fundus photographs (A,B), and late fluorescein angiograms (15 minutes after injection of dye) of left fundus in a rhesus monkey: (A and D) one day and (B and E) seven days after introduction of right temporal fossa balloon. (C) Normal late angiogram before introduction of the balloon. Note progressive increase in severity of ophthalmoscopic and angiographic changes on various occasions. (Reproduced from Hayreh and Hayreh. 1977b)
