Why the study?
Does pure oxygen breathing affect retinal blood flow differently in normal volunteers compared to patients with background diabetic retinopathy?
Population
Normal volunteers and patients with background diabetic retinopathy
Comparison
Pure oxygen breathing at atmospheric pressure… vs Normal subjects compared to diabetic patients
Design
Other
Follow-up
5 minutes
Authors
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Impaired retinal vasoconstriction to oxygen in diabetic retinopathy; leaves open its role in progression and any oxygen therapy adjustments.
Does pure oxygen breathing affect retinal blood flow differently in normal volunteers compared to patients with background diabetic retinopathy?
Patients with background diabetic retinopathy exhibit an impaired retinal vasoconstrictive response to pure oxygen breathing compared to normal subjects.
Grunwald et al. (1984) studied this question.
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