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Year : 2016  |  Volume : 28  |  Issue : 3  |  Page : 158-163

Optical coherence tomography angiography

1 Consultant, Vitreo Retina Services, Little Flower Hospital and Research Center, Angamaly, Kerala, India
2 Consultant, Vitreo-retina Services, L. V. Prasad Eye Institute, Hyderabad, Telangana, India

Correspondence Address:
Dr. Remya Mareen Paulose
Little Flower Hospital and Research Center, Angamaly, Kerala
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/kjo.kjo_27_17

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Optical coherence tomography angiography (OCTA) is a non-invasive angiography type without a contrast agent, which provides a detailed assessment of the retinal and choroidal vasculature and visualization of blood flow by detecting motions of erythrocytes, using serial optical coherence tomography B-scans. As compared to gold standard techniques such as fluorescein and indocyanin-green angiography, OCTA offers two major advantages: no dye is required and depth resolution is required is provided. As such OCTA has the potential to improve our abilities to diagnose and monitor ocular vascular diseases.

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