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PURPOSE To evaluate eyes with age-related macular degeneration and high-risk characteristics for choroidal neovascularization (CNV) with optical coherence tomographic (OCT) angiography to determine whether earlier detection of CNV is possible. METHODS Eyes with drusen, pigmentary changes, and with CNV in the fellow eye were scanned with a 70-kHz spectral(More)
Field experiments with manipulations of natural enemies of plant-feeding insects may show how a diverse enemy group ensures an important ecosystem function such as naturally occurring biological pest control. We studied cereal aphid populations in winter wheat under experimentally reduced densities of: (i) ground-dwelling generalist predators (mostly(More)
PURPOSE To report on a series of white patients in the United States with polypoidal choroidal vasculopathy (PCV). METHODS This is a retrospective chart review of 27 patients at a single center with PCV. RESULTS The mean age was 74.3 with 48% being male. The most common presenting diagnosis was exudative age-related macular degeneration in 59%, and it(More)
PURPOSE To describe the optical coherence tomography angiography features of diabetic retinopathy. METHODS Using a 70 kHz optical coherence tomography and the split-spectrum amplitude decorrelation angiography algorithm, 6 mm × 6 mm 3-dimensional angiograms of the macula of 4 patients with diabetic retinopathy were obtained and compared with fluorescein(More)
Typical arguments for the use of agent technology in business information systems rely on the heterogeneity of the information landscape, the physical distribution of its components, and the overall complexity of such systems. In the domain of IT support for Knowledge Management, these claims for agent systems typically also hold, but additionally are(More)
PURPOSE To report the change in visual acuity and central retinal thickness by optical coherence tomography (OCT) after intravitreal injections of bevacizumab for the treatment of neovascular age-related macular degeneration (AMD). METHODS A retrospective case series in a university-based practice evaluated patients with subfoveal choroidal(More)
Retinal vascular diseases are important causes of vision loss. A detailed evaluation of the vascular abnormalities facilitates diagnosis and treatment in these diseases. Optical coherence tomography (OCT) angiography using the highly efficient split-spectrum amplitude decorrelation angiography algorithm offers an alternative to conventional dye-based(More)
OBJECTIVE To determine the prevalence of Bartonella henselae seropositivity in patients with a clinical diagnosis of neuroretinitis. DESIGN Retrospective, clinic-based, cross-sectional study. PARTICIPANTS Eighteen consecutive patients seeking treatment at the Casey Eye Institute from November 1993 through November 1998 who had neuroretinitis. METHODS(More)
OBJECTIVE To describe grading procedures for optical coherence tomographic (OCT) images of participants in the Standard Care vs Corticosteroid for Retinal Vein Occlusion (SCORE) Study. METHODS Optical coherence tomograms were taken at clinical sites with the Stratus OCT using fast macular and crosshair scan protocols. Paper prints of images were evaluated(More)