منابع مشابه
Choroidal blood flow in the foveal region of the human ocular fundus.
PURPOSE To develop a noninvasive method for the investigation of choroidal blood flow (ChBF) and its regulation in the foveal region of the human ocular fundus. METHODS Measurement of ChBF was based on the technique of laser Doppler flowmetry (LDF). Sixteen normal subjects (age range, 20 to 64 years), with normal eye examination results, were asked to fixate on a diode laser beam (wavelength ...
متن کاملOptic Disc Localization in Ocular Fundus Images
This paper presents a novel approach to the fast localization and extraction of optic disc from fundus images of the human retina. Optic disc continues to be a major landmark for fundus image registration and is indispensible for the understanding of retinal fundus images. For the detection of optic disc, we first decompose the image into its bit planes. The lower order bit planes are found to ...
متن کاملTitle Ocular fundus pathology and chronic kidney disease in a Chinese population Short title Ocular fundus pathology and CKD Authors
Background: Previous study indicated a high prevalence of ocular fundus pathology among patients with chronic kidney disease (CKD), while the relationship between them has never been explored in a Chinese Population. Methods: This cross-sectional study included 9 670 participants enrolled in a medical screening program. Ocular fundus examination was performed by ophthalmologists using ophthalmo...
متن کاملOcular Fundus Photography as an Educational Tool.
The proficiency of nonophthalmologists with direct ophthalmoscopy is poor, which has prompted a search for alternative technologies to examine the ocular fundus. Although ocular fundus photography has existed for decades, its use has been traditionally restricted to ophthalmology clinical care settings and textbooks. Recent research has shown a role for nonmydriatic fundus photography in nonoph...
متن کاملOcular fundus in neurofibromatosis type 2.
Several ocular findings have been associated with neurofibromatosis type 2 (NF 2) since the identification of this disease as a distinct clinical entity. Juvenile cataracts were reported first, followed by combined pigment epithelial and retinal hamartomas. In a recent report, epiretinal membranes were described in seven of nine patients. Moreover, an association between NF 2 and optic disc gli...
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ژورنال
عنوان ژورنال: British Journal of Ophthalmology
سال: 1974
ISSN: 0007-1161
DOI: 10.1136/bjo.58.11.948-a