Abstract
With the recent advances in ophthalmic imaging, optical coherence tomography (OCT) has emerged as a non-invasive, very useful, and sensitive tool to produce high-resolution, cross-sectional images of the macula and the optic nerve head. OCT has been well absorbed in the clinical practice where it has been used to assess the different layers of the retina and to some extent choroid in the newer machines. This article helps us to understand the step-by-step interpretation of OCT in various macular and retinal pathologies, its diagnosis, follow-up, and management.
Highlights
optical coherence tomography (OCT) has advanced rapidly over a course of a few years
Qualitative and quantitative assessment of the 10 histological layers of the retina seen in different color codes on the OCT map
Convexity: A convex contour of the retinal OCT map may be see in serous detachment of the RPE, sometimes a lesser convexity in subretinal cysts, (Figure 3)
Summary
OCT has advanced rapidly over a course of a few years. Based on the principle of laser interferometry. The retinal morphology is reconstructed by images captured using the reflected/backscattered light from the different retinal layers (Figure 1). Qualitative and quantitative assessment of the 10 histological layers of the retina seen in different color codes on the OCT map. Evidence-based medicine requires recording all lth findings until the finest details possible as clinicians, including OCT analysis
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