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Optical assessment of ocular blood flow in laser-treated diabetic retinopathy: An ocular pulse amplitude analysis
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DOI：10.1016/j.pdpdt.2026.105556.png)
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Abstract
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• OPA is significantly reduced in proliferative diabetic retinopathy. • Optical tonometry reveals hemodynamic changes in advanced DR stages. • Disease stage and systolic BP independently predict OPA. • Antihypertensive therapy does not confound optical OPA measurements. • OPA serves as a non-invasive optical biomarker of choroidal perfusion.
Keywords:
Diabetic retinopathy
Ocular blood flow
Ocular pulse amplitude
Panretinal photocoagulation
Optical diagnosis
Hemodynamics
Tonometry
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