what-is-an-oct

What is optical coherence tomography (OCT)? For a clear, layer-by-layer view of retinal structure, clinicians use imaging beyond standard fundus photos. Optical coherence tomography (OCT) is a noninvasive imaging technique based on low-coherence interferometry that produces high-resolution cross-sections of the eye.  By mapping retinal layers and the optic nerve/nerve fiber layer, OCT helps clinicians diagnose…