Terrien's marginal degeneration
Terrien's Marginal Degeneration (teh-ree-enz mar-jin-al de-gen-er-a-shun) is a rare, slowly progressive corneal disease that typically begins in the superior peripheral cornea and gradually extends circumferentially and centrally. It is characterized by thinning of the peripheral cornea.
Etymology
The condition is named after French ophthalmologist Joseph Terrien, who first described it in 1900.
Symptoms
Patients with Terrien's Marginal Degeneration may be asymptomatic in the early stages of the disease. As the disease progresses, symptoms may include astigmatism, decreased visual acuity, and in severe cases, corneal perforation.
Diagnosis
Diagnosis of Terrien's Marginal Degeneration is primarily based on clinical examination, which reveals characteristic thinning of the peripheral cornea. Additional diagnostic tools such as corneal topography and optical coherence tomography (OCT) may be used to confirm the diagnosis and assess the severity of the disease.
Treatment
Treatment options for Terrien's Marginal Degeneration depend on the severity of the disease and may include spectacles, contact lenses, corneal cross-linking, and in severe cases, corneal transplantation.
Related Terms
- Cornea
- Astigmatism
- Visual acuity
- Corneal perforation
- Corneal topography
- Optical coherence tomography
- Corneal cross-linking
- Corneal transplantation
External links
- Medical encyclopedia article on Terrien's marginal degeneration
- Wikipedia's article - Terrien's marginal degeneration
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