IPB, Pupil Flatness & Local Indentation of the Collarette - Rx - (gop) - 3

Could you analyse and explain the relationship of  above presentation :
a) Local absent of the inner pupillary border tissue 
b) Minor/ Gentle Local Pupil Flatness 
c) Local indentation of the lacuna
These 3 iris signs are located aligned or corresponded to each other at the specific topographical areas !