Table 9 Grading large/small venule leak
From: Grading fluorescein angiograms in malarial retinopathy
Lesion | Grading | Definition | Figures |
|---|---|---|---|
Large/small venule leak | Cannot grade | No gradeable images exist | None |
Absent | No large/small venule leak is seen on any gradeable image | None | |
Grade 1 | <1/3 of all small and large venule segments are blurred and/or show increased brightness over time, compared to adjacent vessel segments, for the whole retina | ||
Grade 2 | 1/3–2/3 of all small and large venule segments are blurred and/or show increased brightness over time, compared to adjacent vessel segments, for the whole retina | ||
Grade 3 | >2/3 of all small and large venule segments are blurred and/or show increased brightness over time, compared to adjacent vessel segments, for the whole retina |