Doppler Flowmetry and Retinal Circulation
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Doppler Flowmetry and Retinal Circulation
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About this listen
Episode 33 – Doppler Flowmetry and Retinal Circulation
Basic Sciences in Ophthalmology
Hi, I am your host Dr Thomas Whitelaw and In this episode, we explore how Doppler flowmetry is used to study blood flow within the eye. We begin with the laser Doppler principle, explaining how frequency shifts in scattered laser light can reveal the movement of red blood cells in retinal vessels. We then examine how these signals are used to estimate retinal blood flow and microcirculation.Finally, we discuss the clinical importance of ocular perfusion, focusing on applications in glaucoma and retinal vascular diseases such as diabetic retinopathy. This episode links the physics of Doppler measurement with its role in understanding ocular vascular health and disease.