Sentence:  Inflammation and scarring is a shared mechanism for chemical irritants, cryotherapy, laser thermotherapy, and autologous blood injection in the treatment of <WSD>bleb</WSD> dysesthesia, overfiltering <WSD>blebs</WSD>, and <WSD>bleb</WSD> leaks. 
Meaning of the word marked with <WSD> tags:  A large vesicle or bulla, usually containing a serous fluid.