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Table 8 Grading post-capillary venule leak

From: Grading fluorescein angiograms in malarial retinopathy

Lesion Grading Definition Figures
Post-capillary venule leak Cannot grade No gradeable images exist None
Absent No post-capillary venule leak is seen on any gradeable image None
Grade 1 1–5 post-capillary venules have leak None
Grade 2 6–20 post-capillary venules have leak 22, 23
Grade 3 21–50 post-capillary venules have leak None
Grade 4 >50 post-capillary venules have leak 26