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    1. Optical Coherence Tomography Angiography and UltraWidefield Optical Coherence Tomography in a Child With Incontinentia Pigmenti

      Optical Coherence Tomography Angiography and UltraWidefield Optical Coherence Tomography in a Child With Incontinentia Pigmenti

      Incontinentia pigmenti (IP) is a rare X-linked dominant disorder that can cause retinal nonperfusion, neovascularization, and retinal detachment. Evaluation of the peripheral retinal vasculature and appropriate treatment can reduce the risk of blindness. The authors report the use of a handheld prototype optical coherence tomography angiography (OCTA) and ultra-widefield OCT (UWF-OCT) during exam under anesthesia of a 2-year-old with a history of severe early onset IP. UWF-OCT and OCTA may be used as noninvasive imaging modalities for IP and similar retinal vascular disorders in supine young children.

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    2. Imaging of Iris Lesions With High-Speed Optical Coherence Tomography

      Imaging of Iris Lesions With High-Speed Optical Coherence Tomography

      n BACKGROUND AND OBJECTIVES:To image and measure iris tumors with optical coherence tomography (OCT). n PATIENTS AND METHODS:High-speed(2,000– 4,000 axial-scan/sec and 4–16 frames/sec) 1.3-micron wavelength anterior segment OCT prototypes were used to image 6 eyes of 6 patients with a variety of iris lesions, including focal iris nevus, diffuse iris nevus, amelanotic iris nevus, iris melanocytosis, and iris melanoma. OCT images were compared with slit-lamp photography and ultrasound biomicroscopy. n RESULTS: OCT at 1.3-micron wavelength could penetrate the full thickness of the iris lesions and allow three-dimensional measurement of lesion ...

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