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Fig. 2 | BMC Ophthalmology

Fig. 2

From: Changes in vessel density of the patients with narrow antenior chamber after an acute intraocular pressure elevation observed by OCT angiography

Fig. 2

Images of the vessel densities measured before and one hour after the laser peripheral iridotomy. a, b Measurements of the papillary region: preoperative images (a1~a4) and postoperative images (b1~b4). c, d Measurements of the superficial retinal layer of the macular region: preoperative images (c1~c4) and postoperative images (d1~d4). Angioflow density images (a1, b1, c1, and d1), the corresponding color-coded angioflow density images (a2, b2, c2, and d2), the corresponding en face images (a3, b3, c3, and d3), and the corresponding data pictures (a4, b4, c4, and d4). The image quality and the position of the optic nerve head are similar in all of the corresponding A and B images, and the blood flow was reduced after an acute intraoperative pressure (IOP) elevation, especially inside the disc. The image quality and the position of the macula are similar in all of the corresponding (c and d) images, but the blood flow was reduced significantly after the acute IOP elevation

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BMC Ophthalmology

ISSN: 1471-2415

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