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The Results of Ahmed Valve Operations

NCT00193960 · Status: UNKNOWN · Type: OBSERVATIONAL · Enrollment: 80

Last updated 2005-12-01

No results posted yet for this study

Summary

Glaucoma drainage devices are usually placed in the superior quadrants. The superotemporal quadrant is usually the site of choice. However, when the upper fornix is scarred and especially when conjunctiva is two fibrotic to enable adequate coverage of tube with a scleral or other patch graft, some surgeons place the tube in one of inferior quadrants.

Conditions

Interventions

PROCEDURE

1) Intraocular pressure 2) visual acuity

Sponsors & Collaborators

  • University Health Network, Toronto

    lead OTHER

Principal Investigators

  • Trope E Graham, MB, FRCSC · University of Toronto, Department of Ophthalmology

  • Rony Rachmiel, M.D · University of Toronto, Department of Ophthalmology

Eligibility

Min Age
20 Years
Max Age
85 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
1997-01-31
Completion
2005-06-30

Countries

  • Canada

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00193960 on ClinicalTrials.gov