This is a research study to find out if removing the ripcord from a glaucoma drainage device more than 3 months after it has been placed has any effect on intraocular pressure. Participation in research studies is voluntary. The ripcord will be removed at a routine glaucoma care visit and intraocular pressure will be measured before removal, 30 minutes following, and at 1 week, 6 weeks and 3-month intervals during regular clinic visits.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
80
Patients who have had a ripcord in place for greater than 3 months postoperatively will undergo ripcord removal in the office.
Duke University Eye Center
Durham, North Carolina, United States
Change in intraocular pressure (IOP)
Change in intraocular pressure
Time frame: Immediately after, 1 week, 6 weeks and 3-month intervals
Change in Drop Burden
Measured by the number of participants who miss drop doses
Time frame: 1 week, 6 week and 3 month interval
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