angle-closure glaucoma

DEFINITION of angle-closure glaucoma

In this condition, the peripheral iris contacts the trabecular meshwork due to pupillary block or other mechanisms like lens thickening, causing fluid backup in the anterior chamber. Acute attacks present with severe eye pain, blurred vision, halos around lights, red eye, headache, nausea, and high IOP often exceeding 40 mmHg; chronic forms develop gradually with optic nerve damage and visual field loss. Diagnosis involves gonioscopy showing a closed angle, while treatment starts with IOP-lowering drugs, followed by laser peripheral iridotomy to create an iris opening for fluid flow.

|Term|Description| |---|---| |Primary angle-closure glaucoma|Narrow angle with optic nerve damage from closure. eyewiki+1 willseye​| |Acute angle-closure glaucoma|Sudden symptomatic attack with high IOP. aao+1| |Pupillary block|Iris blocks aqueous flow from posterior to anterior chamber. glaucoma​Ureteroscopy.md​| |Laser peripheral iridotomy|Procedure to relieve blockage by perforating the iris. clevelandclinic+1| |Peripheral anterior synechiae|Adhesions causing chronic closure. aao​|

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ETYMOLOGY of angle-closure glaucoma

greek The term “glaucoma” derives from Ancient Greek glaukós (γλαυκός), meaning “gleaming, blue-green, or gray,” referring to the eye’s appearance in advanced cases. “Angle-closure” describes the blocked iridocorneal angle; roots include glauc(o)- (grayish) and -oma (condition or mass).

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DERIVATIONS of angle-closure glaucoma

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Query functionality

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Med roots Appendix A Prefixes Appendix B Combining Forms Appendix C Suffixes Appendix D Suffix forms