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  • Title: Anatomic Localization of Type 1 and Type 2 Macular Neovascularization Using Swept-Source OCT Angiography.
    Author: Motulsky EH, Zheng F, Shi Y, Gregori G, Rosenfeld PJ.
    Journal: Ophthalmic Surg Lasers Imaging Retina; 2018 Nov 01; 49(11):878-886. PubMed ID: 30457647.
    Abstract:
    BACKGROUND AND OBJECTIVE: Swept-source optical coherence tomography angiography (SS-OCTA) and different boundary-specific segmentation strategies were used to distinguish type 1 macular neovascularization (MNV) from type 2 MNV in eyes with exudative age-related macular degeneration (AMD). PATIENTS AND METHODS: Eyes with exudative AMD were enrolled in a prospective study. Segmentation strategies included a slab from the outer retina (OR) to the choriocapillaris (CC) for the entire MNV, a slab from the retinal pigment epithelium (RPE) to the CC for the type 1 MNV, and a slab from the OR to the RPE for the type 2 MNV. RESULTS: In 13 eyes, SS-OCTA B-scans and en face images using different segmentation strategies were able to identify type 1 and type 2 components of the MNV. CONCLUSION: In eyes with exudative AMD, SS-OCTA imaging and commercially available boundary-specific segmentation strategies were used to distinguish between type 1 and type 2 MNV. [Ophthalmic Surg Lasers Imaging Retina. 2018;49:878-886.].
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