The purpose of this study is to assess retinal blood flow and vascular reactivity in patients with newly diagnosed primary open angle glaucoma pre- and post-primary Selective Laser Trabeculoplasty(SLT). Canon Laser Blood Flowmeter will be used for the assessment of retinal blood flow.
We previously found that vascular reactivity improved after short term treatment with dorzolamide drops. It is not clear whether this improvement was a direct effect of the medication or secondary effect of the decrease in IOP. We would like to see the change of vascular reactivity before and after SLT, which will decrease the intraocular pressure without pharmacologic effect.
Study Type
OBSERVATIONAL
Enrollment
12
Patient will have selective laser trabeculoplasty as the first treatment for glaucoma. This treatment will be dictated clinically, since we do not assign the interventions.
Toronto Western Hospital
Toronto, Ontario, Canada
RECRUITINGblood flow
The Canon Laser Blood Flowmetry will be used to assess the retinal blood flow.
Time frame: before and two-week after SLT
Intraocuclar pressure
Intraocular pressure (IOP) will be measured by Goldmann applanation tonometry.
Time frame: before and two-week after SLT
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