The purpose of this study is to determine if diabetic retinopathy can be treated with prostaglandin analogues, prostaglandin synthesis inhibitors or carbonic anhydrases inhibitors.
Disturbances in retinal perfusion is believed to be involved in the pathophysiology of diabetic retinopathy. These disturbances may be due to changes in the basal diameter of retinal arterioles and to disturbances in the autoregulation of the diameter of these vessels when the blood pressure and the retinal metabolism changes. In vitro studies have shown that prostaglandins and carbonic anhydrases inhibitors are involved in the tone regulation of retinal arterioles, but it is unknown whether this finding is relevant in clinical practice. This can be tested in vivo by an retinal vessel analyzer measuring the dynamics of the retinal vessel diameter changes.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
SINGLE
Enrollment
87
1 eyedrop twice daily in one week
dicolfenac eyedrops twice daily i one eye
dorzolamide eyedrops twice daily, in one eye for one week
Department of Ophthalmology
Aarhus, Denmark
Diameter of retinal blood vessels
Time frame: one year
Influence on retinal blood flow in diabetes
Time frame: one year
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