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Fig. 1 | Journal of Ophthalmic Inflammation and Infection

Fig. 1

From: The broad spectrum of application of optical coherence tomography angiography to the anterior segment of the eye in inflammatory conditions: a review of the literature

Fig. 1

Anterior segment OCTA of four pterygia shows dilated and anomalous coiled vessels (asterisks) that differ from the smaller vessels of normal conjunctiva. Normal conjunctival vessels are less bright compared due to a slower blood flow, whereas the process of angiogenesis secondary to the para-inflammation of a pterygium increases the flow in the anomalous trunks. Scans a, b, d are obtained by setting the focus on +‚ÄČ28D, while scan c is obtained through an anterior segment lens. The corresponding b-scans highlight the segmentation problems secondary to the application of OCTA to the anterior segment

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