Neovascularization

Grade 1

Grade 2

Grade 3

Grade 4

NVI

NV at pupillary zone < 2 quadrant

NV at pupillary zone > 2 quadrant

NV at ciliary zone/ectropion uveae 1 - 3 quadrant

NV at pupillary zone > 3 quadrant

NVA

NV cross SS and branches over TM < 2 quadrant

Angle vessels cross SS and branches over TM > 2 quadrant

NV at TM

PAS 1 - 3 quadrant

NV at TM

PAS > 3 quadrant