Status:
COMPLETED
Utility of Heidelberg Retina Tomograph in Monitoring Glaucoma Progression
Lead Sponsor:
University Health Network, Toronto
Collaborating Sponsors:
Glaucoma Research Society of Canada
Conditions:
Glaucoma
Ocular Hypertension
Eligibility:
All Genders
20-80 years
Brief Summary
Glaucoma is a chronic disease defined by characteristic changes in the optic nerve associated initially with loss of peripheral vision and is treated by lowering intraocular (inside the eye) pressure....
Detailed Description
In glaucoma, treatment decisions depend on the development of morphologic and functional damage. Therefore, damage serves as an indicator of management. Commonly, progression is determined by various ...
Eligibility Criteria
Inclusion
- Best-corrected visual acuity of 20/40 or better
- Subjects determined to have OHT or glaucoma
- Spherical refraction within 6.0 D with plus or minus sphere, and cylinder within 3.0 D with plus or minus cylinder
- Subjects that show progression on the HRT
- subjects stable on ONH stereophotographs
- subjects with stable and reliable visual fields
- Subjects willing to make the required visits for the study
- Subjects tolerant to dilating drops
Exclusion
- A suspicion or actual defect in the visual field of the eye being tested that is explained by the patient's ocular status or history, other than glaucoma
- Any history of disease or use of medication that may affect visual field reliability
- Past history of stroke or diabetic retinopathy
- Inability of the pupils to be dilated to at least 4 mm for the screening visit
- Inability to undergo either perimetry test or the ophthalmic examination
- Inability to undergo adequate or better quality stereophotographs
Key Trial Info
Start Date :
August 1 2006
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
December 1 2013
Estimated Enrollment :
74 Patients enrolled
Trial Details
Trial ID
NCT00424996
Start Date
August 1 2006
End Date
December 1 2013
Last Update
May 21 2014
Active Locations (1)
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1
University of Toronto; Toronto Western Hospital
Toronto, Ontario, Canada, M5T 2S8