منابع مشابه
Optic nerve head drusen.
Optic disc drusen are congenital and developmental anomalies of the optic nerve head seen commonly in clinical practice, often as an incidental ophthalmologic finding during routine exams. Optic disc drusen are a form of calcific degeneration in some of the axons of the optic nerve. Visual acuity is often not affected but the visual fields of these patients can be abnormal and deteriorate over ...
متن کاملOptic Nerve Head Drusen Mimicking Optic Nerve Tumor
1. Castiblanco CP, Adelman RA. Sympathetic ophthalmia. Graefes Arch Clin Exp Ophthalmol 2009;247:289-302. 2. Cha DM, Woo SJ, Ahn J, Park KH. A case of sympathetic ophthalmia presenting with extraocular symptoms and conjunctival pigmentation after repeated 23-gauge vitrectomy. Ocul Immunol Inflamm 2010;18:265-7. 3. Haruta M, Mukuno H, Nishijima K, et al. Sympathetic ophthalmia after 23-gauge tra...
متن کاملMicrovasculature of the rat optic nerve head.
PURPOSE To describe the arterial blood supply, capillary bed, and venous drainage of the rat optic nerve head. METHODS Ocular microvascular castings from 6 Wistar rats were prepared by injection of epoxy resin through the common carotid arteries. After polymerization, tissues were digested with 6 M KOH, and the castings washed, dried, and coated for scanning electron microscopy. RESULTS Imm...
متن کاملThe optic nerve head in myocilin glaucoma.
PURPOSE Approximately 1 in 30 unselected patients with open-angle glaucoma (OAG) have a mutation in the myocilin gene. The purpose of this study was to describe the morphologic features of the optic nerve head (ONH) in myocilin glaucoma. METHODS A case-control design was adopted. Sixty-six patients heterozygous for a range of myocilin mutation (cases) were matched in disease severity to 105 p...
متن کاملMicrostructure of the Optic Nerve Head
INTRODUCTION The ocular disease glaucoma is the second most common source of blindness worldwide. Gradual, irreversible vision loss is a result of nerve damage in the optic nerve head; a collagen structure that provides support for the optic nerve and blood vessels that enter the posterior of the eye [1]. Glaucoma is clinically known to be correlated with high levels of intraocular pressure fro...
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ژورنال
عنوان ژورنال: Indian Journal of Ophthalmology
سال: 2012
ISSN: 0301-4738
DOI: 10.4103/0301-4738.98736