The pressure can be too high or too low following the surgery. Also, bleb failure with consequent rise in IOP is a possible consequence. 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.
Presentation varies remarkably depending on the complication being observed.
Clinical picture varies considerably depending on the complication. These eyes show evidence of filtration surgery in common, with a range of associated glaucomatous damage. Care must be taken handling the tissues, and meticulous suturing techniques need to be used. Attention to detail is key to prevention of these problems. Dehiscence and retraction are almost unavoidable when using absorbable sutures in conjunction with antimetabolites.