نتایج جستجو برای: optic disc cupping
تعداد نتایج: 87428 فیلتر نتایج به سال:
purpose: to report a case who had optic disc duplication, a rare congenital disorder characterized by two well-defined discs in one eye. case report: a 19 months-old child presented with unilateral epiphora in the right eye since birthday. the right eye was smaller than the left eye and mild ptosis was apparent. nasolacrimal duct probing was performed under general anesthesia. the examination r...
PURPOSE To report neural rim dimensions for South Indians and examine rim shape with relevance to clinical evaluation. METHODS Healthy phakic participants (n = 623) of the Chennai Glaucoma Study with normal frequency-doubling perimetry underwent complete eye examinations including optic disc digital stereophotography. Planimetry was performed under stereoviewing conditions using custom softwa...
PURPOSE To evaluate a novel automated segmentation algorithm for cup-to-disc segmentation from stereo color photographs of patients with glaucoma for the measurement of glaucoma progression. METHODS Stereo color photographs of the optic disc were obtained by using a fixed stereo-base fundus camera in 58 eyes of 58 patients with suspected or open-angle glaucoma. Manual planimetry was performed...
OBJECTIVE To assess the visual quality of life in patients with multiple sclerosis (MS), and to observe whether this parameter could be correlated to the findings of the ophthalmologic examination. METHOD The translated and validated 25-Item National Eye Institute Visual Function Questionnaire (VFQ-25) was used to assess the visual quality of life. Clinical data on MS, visual acuity, visual f...
Purpose: To describe a case of glaucomatous optic disc pit maculopathy that resolved after bimatoprost treatment. Observations: A 63-year-old African American female with history type 2 diabetes mellitus presented to the clinic 3 months blurry vision in right eye and was found have an asymmetric cup-to-disc ratio, intraretinal subretinal fluid without leakage on fluorescein angiography concerni...
Morphometric features of laminar pores in lamina cribrosa observed by scanning laser ophthalmoscopy.
PURPOSE To describe a method for making morphometric analysis of the pores in the lamina cribrosa with a confocal scanning laser ophthalmoscope (SLO). METHODS Sixteen consecutive images were acquired with an SLO from the retinal surface to the bottom of the optic disc in +0.25-diopter increments. An He-Ne laser (633 nm) with a 20 degrees field of view was used. The images from each section we...
Nonarteritic anterior ischemic optic neuropathy (NAION) has been the subject of numerous publications and editorials. Yet, meaningful progress toward understanding the pathogenesis of this entity has been limited. As the term “ischemic” would indicate, investigators have focused their efforts on defending a vascular cause. What is the evidence for ischemia in this entity that, by histopathologi...
PURPOSE Clinical observational study for the correlation between the central corneal thickness (CCT), axial length (AXL), optic disc area (D), cupping area (C) and peripapillary atrophy (PPA), in healthy eyes (group A), eyes with primary open angle glaucoma (POAG) (group B) and eyes with ocular hypertension (OH) (group C), in order to assess the possible contribution of this correlation to the ...
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