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Three-millimeter versus 6-mm incisions in combined phacoemulsification and trabeculectomy
W C Stewart1, C S Sine, A N Carlson
1Department of Ophthalmology, Medical University of South Carolina, Charleston, USA.
Background And Objective:
To determine the results of phacoemulsification and combined trabeculectomy in subjects receiving either a 3- or a 6-mm scleral incision.
Patients And Methods:
The authors evaluated consecutive patients who underwent combined phacoemulsification and trabeculectomy with a 3-mm incision. These patients were individually matched by age, diagnosis, previous surgery, and race to those having a 6-mm incision.
Results:
The study found that 1 year following surgery, results were similar between the 3- and 6-mm incision groups for intraocular pressure (IOP), bleb height, bleb vascularity, number of glaucoma medicines, anterior chamber depth, visual acuity, spherical equivalent, cylinder, and axis (P > .05). No difference was observed between groups with the highest IOP within the first postoperative month (P > .05). Also, no marked differences in number of complications were noted between groups.
Conclusion:
This study suggests that 3- and 6-mm incision phacoemulsification combined with trabeculectomy provide similar postoperative IOP control and visual acuity results.