Table 2 of Wu, Mol Vis 2018; 24:414-424.

Table 2. EPCO grading scale.

Grade Description
0 No visible PCO
1 Minimum wrinkling of the capsule with a fine layer of LECs
2 Mild honeycomb PCO; thicker layer of LECs with dense fibrosis
3 Classic Elschnig pearls; very thick layer of LECs
4 Severe opacity with a darkening effect