نتایج جستجو برای: peripapillary structures
تعداد نتایج: 456590 فیلتر نتایج به سال:
Purpose To report the findings in five patients of Purtscher-like retinopathy that developed after cerebro- or cardiovascular surgeries. Observations Three women and two men with a mean age of 56.6 years were studied. They had had cerebro- or cardiovascular disease that was treated by major vascular surgery. Postoperatively, all of the patients developed multiple patches of retinal whitening ...
We investigated the relationship between the peripapillary retinal nerve fiber layer and peripapillary retinal thickness in patients with diabetic macular edema. Fifty eyes (group I) with non-proliferative diabetic retinopathy and diabetic macular edema receiving intravitreal anti-VEGF injection, and 90 eyes (group II) without diabetic macular edema were included in this case-control study. The...
OBJECTIVE To demonstrate that Stargardt disease (STGD) can present with peripapillary atrophy. METHODS Retrospective case series. The medical records of 150 consecutive patients (300 eyes) were reviewed retrospectively from a STGD database from January 1999 to May 2007 at Columbia University's Harkness Eye Institute. STGD patients demonstrating peripapillary atrophy were identified. RESULTS...
PURPOSE. To evaluate the effect of acutely elevated intraocular pressure (IOP) on retinal thickness and optic nerve head (ONH) structure in the rat eye by spectral domain-optical coherence tomography (SD-OCT). METHODS. Fourteen adult male Brown-Norway rats were studied under anesthesia (ketamine/xylazine/acepromazine, 55:5:1 mg/kg intramuscularly). Both eyes were imaged by SD-OCT on two baselin...
Although peripapillary staphyloma and morning glory disc anomaly are rarely encountered, accurate differential diagnosis based on disc appearance is essential because of their similar presentations [1]. However, few cases of contractile peripapillary staphyloma and contractile morning glory disc anomaly have been reported. This study describes a rare case of contractile peripapillary staphyloma...
AIM The objective of the study reported here was to investigate the normal peripapillary choroidal thickness (CT), measured by enhanced depth imaging optical coherence tomography (EDI-OCT), in healthy Turkish volunteers. MATERIALS AND METHODS In this prospective cross-sectional study, 57 eyes of 57 healthy Turkish subjects were enrolled. Each participant underwent a comprehensive ophthalmic e...
PURPOSE Peripapillary choroidal neovascularization (CNV) is an uncommon condition and often shows a growth tendency towards the fovea during spontaneous progression that threatens visual acuity. Treatment of peripapillary CNV is difficult. The authors report results of intravitreal bevacizumab therapy for peripapillary CNV. METHODS Four patients with CNV located in the temporal or superior pe...
PURPOSE To determine the frequency, patterns, associations, and biomechanical implications of retinal and choroidal folds in papilledema due to idiopathic intracranial hypertension (IIH). METHODS Retinal and choroidal folds were studied in patients enrolled in the IIH Treatment Trial using fundus photography (n = 165 study eyes) and spectral-domain optical coherence tomography (SD-OCT; n = 12...
PURPOSE We present a case of bilateral extensive peripapillary myelinated retinal nerve fibers (MRNF) in an individual with Crouzon syndrome, an inherited form of craniosynostosis caused by overactivation of fibroblast growth factor receptor 2. As a secondary aim, we examine the utility of optical coherence tomography (OCT) angiography for visualization of peripapillary vasculature obscured by ...
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