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We have studied the physiological properties of cells (N = 822) in visual cortex area 17 of seven adult cats transplanted with visual cortex xenografts from fetal (E15-E17) rats. The transplants were assumed to induce recovery of adjacent neurons partially deafferented from visual input. The control group (eight cats, 564 cells) had just analogous(More)
BACKGROUND Sleep-related disorders are among the important risk factors for neurovascular diseases. Obstructive sleep apnea syndrome (OSAS) is characterized by snoring, excessive daytime sleepiness, and insomnia. Our aim was to investigate the presence of glaucoma in patients with OSAS and to reveal vascular pathology related to the pathogenesis of glaucoma(More)
PURPOSE Pattern electroretinography (PERG) is a specific test for the analysis of functions of the central retina. In this study, we investigated the PERG recordings in subjects with myopia. SUBJECTS AND METHODS This study was performed on 1 eye of 80 subjects with varying degrees of myopia. Four groups were formed according to the refraction values:(More)
Orbital apex syndrome is a rare manifestation of Herpes Zoster Ophthalmicus. Herein we report on a case of orbital apex syndrome secondary to Herpes Zoster Ophthalmicus. A 75 year-old male complained of vision loss, conjunctival hyperemia and proptosis on the left eye, was referred to our clinic. Visual acuity was 5/10 Snellen lines and he had conjunctival(More)
The purpose of this study is to describe clinical and electrophysiological findings of three patients with unilateral extensive peripapillary myelinated nerve fibers. Three patients with unilateral extensive peripapillary myelinated nerve fibers were examined. A complete ophthalmologic examination including uncorrected and best spectacle corrected visual(More)
Whether restoration takes place in the visual cortex of neonates was physiologically studied in cortical cells of cats following their deafferentation. Deafferentation was performed by a parasagittal incision made in the visual cortex, separating the medial part of it from the thalamocortical and other visual fibers. Responsiveness (percentage of responsive(More)
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