Closed angle glaucoma

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Closed Angle Glaucoma

Closed angle glaucoma (pronunciation: /ˈkləʊzd ˈæŋɡəl ɡlɔːˈkoʊmə/), also known as acute glaucoma or narrow angle glaucoma, is a type of glaucoma that occurs when the iris is pushed or pulled forward, causing blockage of the drainage angle in the eye. This blockage can lead to a sudden increase in intraocular pressure, which can cause damage to the optic nerve and result in vision loss.

Etymology

The term "glaucoma" is derived from the Greek word "glaukos," which means "gray," "green," or "blue," referring to the appearance of the affected eye in advanced cases. The term "closed angle" refers to the closure of the drainage angle in the eye, which is responsible for the outflow of aqueous humour.

Symptoms

Symptoms of closed angle glaucoma can include severe eye pain, blurred vision, headache, nausea, and vomiting. In some cases, the symptoms may be mild or absent, leading to a delay in diagnosis and treatment.

Diagnosis

Diagnosis of closed angle glaucoma is typically made through a comprehensive eye examination, which may include tests such as tonometry to measure intraocular pressure, gonioscopy to examine the drainage angle, and ophthalmoscopy to examine the optic nerve.

Treatment

Treatment for closed angle glaucoma typically involves medications to lower intraocular pressure, and may also include laser therapy or surgery to improve the drainage of aqueous humour.

Related Terms

External links

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