The consequences of bleb-associated complications include the following, listed in order of potential morbidity:
Predisposition to or cause of infection
Unsatisfactory bleb function (ie, intraocular pressure [IOP] too low, IOP too high)
Decreased visual acuity
Loss of the globe, which can be the final outcome
The goal of glaucoma filtering surgery is to reduce IOP with surgery. The pressure can be too high or too low following the surgery.
This condition is uncommon.
Bleb complications can be classified according to their vision-threatening potential and impact on quality of life.
All bleb-related complications have infection/endophthalmitis as a possible consequence, with high morbidity.  Also, bleb failure with consequent rise in IOP or excessively low IOP are possible consequences.
The cost for the individual and the community in terms of discomfort, unplanned care, loss of work time, direct medical expenses, and decrease in visual function cannot be estimated and may be high.
No racial predisposition exists.
No sexual influence exists.
No influence of age exists.
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