Using a Type of Blue Dye to Observe Bleb Function During Cataract Surgery

Completed · Not applicable

Conditions studied: Glaucoma

In brief

The investigators aim to conduct a prospective clinical pilot study to investigate the use of VisionBlue staining administered during cataract surgery to 20 patients with history of trabeculectomy for glaucoma as a means to assess functioning of an existing filtering bleb. The investigators also aim to develop a standard classification system for assessing filtering bleb function during cataract surgery.

Key facts

Study ID

NCT02526706

Run by

Wills Eye

People needed

15

Starts

2015-08-01

Expected to finish

2016-10-01

Last updated by the study team

2016-11-22

Who can join

Age: 21 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Glaucoma patients with history of previous trabeculectomy surgery who are scheduled for cataract surgery.
• Glaucoma defined as (both requirements must be met): 1) Characteristic glaucomatous disc damage as demonstrated by local narrowing, notching, or absence of the neuroretinal rim in the absence of disc pallor elsewhere. 2) Characteristic glaucomatous visual field (VF) deficits.
• Over 21 years of age

You may not qualify if…

• Intraocular surgery or laser procedure within 3 months prior to the planned cataract surgery.
• Active ocular infection or inflammation.
• History of glaucoma drainage device (tube-shunt) implantation.
• Allergy to VisionBlue or history of allergy to other ophthalmic dyes

Where it is running

• Wills Eye Hospital, Glaucoma Service — Philadelphia, Pennsylvania, United States

Full record on ClinicalTrials.gov

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