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Retinal oxygen metabolism and ocular blood flow in patients with diabetic retinopathy of varying severity.
Ahmed M Abu El-Asrar, Abeer A Alhazzani, Abdulrahman F AlBloushi, Abdullah Alzubaidi, Priscilla W Gikandi, Sveinn H Hardarson et al.
Acta OphthalmolMay 20260 citationsObservational Study
This study found that worsening diabetic retinopathy correlates with decreased retinal/optic nerve blood flow and paradoxically higher retinal oxygen saturation, suggesting impaired oxygen utilization in advanced disease.