Fig. 26

Grade 3 large/small venule leak. Montage of FA images (right eye). >2/3 of all large/small venule segments are leaking. Image quality is affected by extensive leakage of fluorescein. Other visible features include very severe peripheral CNP (large bays enter zone 1 in temporal and inferior quadrants. Note ghost vessel in temporal quadrant—white arrow), grade 4 post-capillary venule leak, and disc leak