Evaluation of Ocular Pulse Amplitude and Choroidal Thickness

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Evaluation of Ocular Pulse Amplitude and Choroidal Thickness in Diabetic Macular Edema

May 21, 2017482 views

Ocular pulse amplitude (OPA) is the difference between diastolic and systolic intraocular pressure (IOP) and represents the magnitude of change in IOP with the ocular pulse. OPA, caused by cardiovascular pulsations and ocular blood flow, is an index of choroidal perfusion.9,10 Despite growing evidence demonstrating alterations to the choroidal vasculature in DME, the relationship between CT and OPA has not been studied. The aim of this study is to evaluate and compare the OPA and CT measurements in treatment-naive eyes with DME and healthy subjects.

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