Fig. 1. iOCTA system based on a standard surgical microscope. (a) Schematic of system lightpath (lens 2 is a non-contact lens，common focal powers are 120 D or 200 D); (b) sample arm and experimental rabbit

Fig. 2. Results of blood perfusion mapping in rabbit’s retina. (a) OCT structural cross-section, and the arrow marks retinal big vessels; (b) OCTA cross-sectional angiogram, and the arrow marks big vessels which correspond to (a); (c) distribution of OCT signals, where black line is the classification line generated by ID-OCTA algorithm; (d) en-face image of OCTA, and dashed line is the position of (a) and (b); (e) image captured by camera of iOCTA system

Fig. 3. Dynamic changes of intraoperative blood perfusion in rabbit’s retina during acute intraocular pressure (IOP) fluctuations

Fig. 4. Quantitative results of dynamic changes of relative vessel density in rabbit’s retina during acute IOP fluctuations (average result of 3 rabbits’ eyes)