نتایج جستجو برای: cirrus hd

تعداد نتایج: 21322  

2009
Angelle Tanner Charles Beichman Geoff Bryden Carey Lisse Samantha Lawler

The Spitzer Space Telescope has advanced debris disk science tremendously with a wealth of information on debris disks around nearby A, F, G, K and M stars at 24 and 70 μm with the MIPS photometer and at 8-34 μm with IRS. Here we present 160 μm observations of a small sub-set of these stars. At this wavelength, the stellar photospheric emission is negligible and any detected emission correspond...

2015
Farsad Fanihagh Stephan Kremmer Gerasimos Anastassiou Maurice Schallenberg

PURPOSE To determine the correlations and strength of association between different imaging systems in analyzing the retinal nerve fiber layer (RNFL) of glaucoma patients: optical coherence tomography (OCT), scanning laser polarimetry (SLP) and confocal scanning laser ophthalmoscopy (CSLO). MATERIALS AND METHODOLOGY 114 eyes of patients with moderate open angle glaucoma underwent spectral dom...

2012
Lin Liu Jun Zou Hui Huang Jian-guo Yang Shao-rong Chen

BACKGROUND To evaluate the influence of corneal astigmatism (CA) on retinal nerve fiber layer (RNFL) thickness and optic nerve head(ONH) parameters measured with spectral-domain optical coherence tomography (OCT) in high myopes patients before refractive surgery. METHODS Seventy eyes of 35 consecutive refractive surgery candidates were included in this study. The mean age of the subjects was ...

Journal: :American journal of ophthalmology 2013
Kouros Nouri-Mahdavi Sara Nowroozizadeh Nariman Nassiri Nila Cirineo Shane Knipping Joann Giaconi Joseph Caprioli

PURPOSE To evaluate the performance of ganglion cell layer/inner plexiform layer (GCL/IPL) measurements with spectral-domain optical coherence tomography (Cirrus HD-OCT) for detection of early glaucoma and to compare results to retinal nerve fiber layer (RNFL) measurements. DESIGN Cross-sectional prospective diagnostic study. METHODS We enrolled 99 subjects, including 59 eyes with glaucoma ...

2016
Koushik Tripathy Yog Raj Sharma Rohan Chawla Shreyans Jain Alkananda Behera

Medical records of a 46‐year‐old woman with bilateral myopia, gyrate atrophy, and history of night blindness were reviewed. The patient underwent macular hole surgery in the left eye 3 years back. The surgery consisted of pars plana vitrectomy (PPV), induction of posterior vitreous detachment (PVD), internal limiting membrane (ILM) peeling, and fluid‐air exchange. She had serum ornithine level ...

2016
Akram Belghith Christopher Bowd Felipe A. Medeiros Naama Hammel Zhiyong Yang Robert N. Weinreb Linda M. Zangwill

PURPOSE We determined if the Bruch's membrane opening (BMO) location changes over time in healthy eyes and eyes with progressing glaucoma, and validated an automated segmentation algorithm for identifying the BMO in Cirrus high-definition coherence tomography (HD-OCT) images. METHODS We followed 95 eyes (35 progressing glaucoma and 60 healthy) for an average of 3.7 ± 1.1 years. A stable group...

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