نتایج جستجو برای: external limiting membrane

تعداد نتایج: 644468  

2017
Joseph Raevis Eric Shrier

BACKGROUND We report the first case of pediatric bilateral blue laser pointer maculopathy with complete resolution of visual symptoms. CASE A 12-year-old boy presented with bilateral decreased visual acuity and central scotomata after blue laser pointer exposure. He was treated with a Medrol Dosepak and topical nonsteroidal anti-inflammatory drug (NSAID), with gradual visual acuity improved f...

Journal: :Vision Research 2005
Enrique J. Fernández Boris Považay Boris Hermann Angelika Unterhuber Harald Sattmann Pedro M. Prieto Rainer Leitgeb Peter Ahnelt Pablo Artal Wolfgang Drexler

A liquid crystal programmable phase modulator (PPM) is used as correcting device in an adaptive optics system for three-dimensional ultrahigh-resolution optical coherence tomography (UHR OCT). The feasibility of the PPM to correct high order aberrations even when using polychromatic light is studied, showing potential for future clinical use. Volumetric UHR OCT of the living retina, obtained wi...

2014
Dominik Odrobina Piotr Gozdek Mariusz Maroszyński Iwona Laudańska-Olszewska

central serous chorioretinopathy (cSc) was first described more than 140 years ago. due to the rapid development in modern imaging methods, better understanding of changes occurring in the retina in cSc is possible. Spectral-domain optical coherence tomography (SdocT) has increased our ability to study this disease, especially microstructural changes during active phase and after resolution of ...

2014
Dominik Odrobina Iwona Laudańska-Olszewska Piotr Gozdek Mariusz Maroszyński Michael Amon

BACKGROUND We present a case of a macular hole formation and its spontaneous closure after vitrectomy for vitreomacular traction. To our knowledge, it is the first description of spontaneous closure of the macular hole after vitrectomy for vitreomacular traction. CASE PRESENTATION A 78-year-old woman presented decreased visual acuity and metamorphopsia in the right eye due to vitreomacular tr...

Background and Objectives: Pomegranate juice (PJ) contains large particles that stick to evaporator walls causing off flavors in the concentrate due to burning. Microfiltration is used to clarify PJ. Fouling is a limiting phenomenon that can prevent the industrialization of membrane clarification. Changes in the geometry of the membrane module such as using baffles are useful to decrease this p...

2014
Tatiana Tarules Azzi Leandro Cabral Zacharias Sérgio Luis Gianotti Pimentel

The Shaken Baby Syndrome (SBS) is characterized by subdural hematomas (SH), retinal hemorrhages (RH), and multiple fractures of long bones without external evidence of head trauma. Subinternal limiting membrane (ILM) hemorrhage, also known as macular schisis, is a characteristic finding of this entity. There is no guideline on the right time to indicate surgical treatment. This report describes...

Journal: :Ophthalmic surgery, lasers & imaging retina 2015
Claudine E Pang Yu Suqin Jerome Sherman K Bailey Freund

A 20-year-old woman with bilateral mild blurring of vision presented with a bull's eye maculopathy and was diagnosed with Stargardt disease, confirmed with genetic testing. The authors present several novel multimodal imaging findings including multicolor and multi-spectral imaging that enhanced visualization of perifoveal flecks, fundus autofluorescence that revealed both perifoveal and perima...

2007
GILBERT N. LING G. N. LING

The study of ~a+ion efflux from single muscle fibers and multiple muscle fiber prep* rations led to the conclusion that both the fast and slow fraction originate from within. the same cells. The rate-limiting step for the slow fraction is shown, not to be membrane permeability but the rate of desorption from intracellular adsorption sites. The other fraction which is 4 to 8 times faster represe...

This investigation indicates the ability to selectively graft glycidyl methacrylate (GMA) only from the external surface of regenerated cellulose (RC) ultrafiltration (UF) membranes using activator generated electron transfer (AGET) atom transfer radical polymerization (ATRP). This controlled polymerization resulted in epoxy functionalized polymer brush ends. Further reaction of the terminal ep...

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