GLAUCOMATOUS CUP Meaning and
Definition
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The term "glaucomatous cup" refers to a characteristic optic disc appearance, indicating a possible indication of glaucoma, a group of eye diseases that can cause vision loss and even blindness. Specifically, it refers to the optic disc cupping, a pathological change in the optic nerve head found in individuals with glaucoma.
The optic disc is the area on the back of the eye where the optic nerve enters. It consists of a pale, circular region called the cup and a surrounding, darker region called the neuroretinal rim. In a healthy eye, the cup occupies about one-third or less of the total area of the optic disc. However, in glaucoma, increased intraocular pressure can damage the optic nerve, causing the cup to enlarge and deepen, resulting in a glaucomatous cup.
The presence of a glaucomatous cup is typically assessed during an eye examination using an ophthalmoscope or other imaging techniques. An increased cup-to-disc ratio, where the cup occupies a larger portion of the optic disc, may indicate the presence of glaucoma. The severity of cupping can vary from mild to severe, with more advanced cupping usually indicative of the progression of glaucoma.
It is important to note that while the presence of a glaucomatous cup is commonly associated with glaucoma, it alone is not sufficient for a diagnosis. Other diagnostic tests evaluating visual field loss and intraocular pressure measurements are typically performed to confirm the presence of glaucoma. Early detection and management of glaucoma, including the monitoring of the glaucomatous cup appearance, are crucial for preventing vision loss and maintaining ocular health.
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An excavation of the optic disc occurring in glaucoma.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for GLAUCOMATOUS CUP
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Etymology of GLAUCOMATOUS CUP
The word "glaucomatous" refers to a condition known as glaucoma, which is a group of eye diseases that can damage the optic nerve and result in vision loss or blindness. In particular, the term "glaucomatous cup" is used in the field of ophthalmology to describe a specific feature seen in the optic disc of patients with glaucoma.
The word "glaucoma" originates from the Greek word "glaukos", meaning "gray" or "blue-green", which also describes the appearance of the eye in some cases of the disease. The term "cup" in this context refers to the optic cup, which is the central depression or hollow within the optic disc of the eye.
