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8 paź 2014 · Optic nerves can look however they want to look, and differentiating variants on normal from the presence of disease is often challenging. However, dealing with the patients attached to these eyes is often the hardest and most troublesome part.
The present study of the optic nerve head in normal and glaucomatous eyes was designed to determine if there are indeed anatomic features that would reliably distinguish acquired glaucomatous cupping from physiologic cupping.
We propose that the defining phenomenon of glaucomatous cupping is deformation and/or remodeling of the neural and connective tissues of the optic nerve head (ONH), which is governed by the distribution of IOP-related connective tissue stress and strain, regardless of the mechanism of insult or the level of IOP at which deformation and/or ...
12 wrz 2023 · Increased pressure in your eye or decreased blood flow to your optic nerve due to glaucoma may destroy the nerve fibers, enlarging the cup. This is called optic nerve cupping.
Glaucoma, cupping and axonal insult within the optic nerve head (ONH) The ONH is made up of prelaminar, laminar and retrolaminar regions (A). Within the clinically visible surface of the Normal ONH (referred to as the optic disc) (B), central retinal vessels enter the eye and RGC axons appear pink due to their capillaries (which are principally ...
14 gru 2021 · Optic nerve cupping or enlargement of the cup-to-disc ratio is widely recognized as a feature of glaucoma, however it may also occur in non-glaucomatous optic neuropathies.
12 gru 2022 · Glaucoma is characteristic of progressive optic neuropathy, featuring optic disc cupping and visual field loss, associated with raised intraocular pressure (IOP). Normal-tension glaucoma (NTG), also known as normal or low-pressure glaucoma, is open-angle with a presenting IOP in the normal range.
