نتایج جستجو برای: optical coherence tomography
تعداد نتایج: 473637 فیلتر نتایج به سال:
We report an experimental demonstration of optical coherence tomography for transmissive objects utilizing second-order correlation ghost imaging with thermal light. To evaluate the longitudinal resolution of our system, the concept of the imaging longitudinal coherence length is introduced, which is more accurate for judging the image quality of ghost imaging with unequal optical paths than th...
Optical coherence tomography is a new technology that provides an atraumatic "optical biopsy" providing both anatomical and possible histopathologic results. It has only recently been incorporated into the urological field. This paper highlights previous and prospective advances of optical coherence tomography in urology and its potential application in robotic urologic surgery.
Purpose To demonstrate a novel technique for capturing optical coherence tomography images of peripheral retina and its application in identifying rhegmatogenous retinal detachments within bullous retinoschisis. Observations We report two patients presenting with bullous retinoschisis noted on clinical examination. After performing optical coherence tomography studies utilizing our image acqu...
1. Yannuzzi LA. Central serous chorioretinopathy. In: Yannuzzi LA, ed. Laser Photocoagulation of the Macula. Philadelphia, PA: JB Lippincott Co; 1989:4. 2. Imamura Y, Fujiwara T, Margolis R, Spaide RF. Enhanced depth imaging optical coherence tomography of the choroid in central serous chorioretinopathy. Retina. 2009;29(10):1469-1473. 3. Fujiwara T, Imamura Y, Margolis R, Slakter JS, Spaide RF....
Purpose To report a case of bilateral choroidal neovascularization (CNV) in punctate inner choroidopathy (PIC) visualized utilizing optical coherence tomography angiography (OCT-A). Methods Case report. Results A 29-year-old woman presented with new visual symptoms in both eyes. Fundoscopic exam revealed bilateral multifocal, small, well-defined lesions consistent with PIC. Optical coherenc...
PURPOSE To describe morphological features of the macula in patients with retinopathy of prematurity. METHODS Twelve premature babies with retinopathy of prematurity grades I, II and III underwent dilated fundus examination and optical coherence tomography evaluation. RESULTS In all thirteen eyes of the twelve premature patients optical coherence tomography revealed a condensed retinal pigm...
A 72-year-old woman with decreased visual acuity secondary to an adult-onset vitelliform detachment was treated with three monthly intravitreal injections of 0.5 mg of ranibizumab. Treatment response was monitored by visual acuity and by the eye-tracking feature of the Heidelberg Spectralis spectral domain optical coherence tomography (Heidelberg Engineering, Inc., Carlsbad, CA). There was no i...
PURPOSE to report a case of branch retinal artery occlusion in the acute phase, using optical coherence tomography to evaluate the morphologic changes. A 27 year-old man had a sudden superior scotoma in the right eye, with fundus examination compatible with inferior temporal branch retinal artery obstruction. The optical coherence tomography revealed increase in thickness and hyper-reflectivity...
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