Differentiation of Lacunae

1) Closed lacuna in chronic stage inside with loose fiber structure.

2) Crypts with small black spot diameter size of lacuna.

3) Leaf lacuna inside structure with leaf branches formation. Always attached to collarette.

4) Loose fiber structure or rarefaction of fiber structure in semi-open lacuna formation.

5) Bridge crossing over the lacuna inside the pupillary zone.

6) Crypts.