Fig. 18From: Grading fluorescein angiograms in malarial retinopathyGrade 4 peripheral capillary non-perfusion (CNP). Montage of FA images (right eye). One or more large bays of CNP encroach on zone 1 (inferior quadrant). Bays of CNP cut across large venules and arterioles, which may appear as ghost vessels in the affected areaBack to article page