Terrien Marginal Degeneration

Terrien Marginal Degeneration
		SYMPTOMS	Blurry vision \| Often asymptomatic
		SIGNS	Peripheral corneal thinning, usually superior \| Possible lipid deposition with neovascularization/pannus \| Irregular astigmatism
		WORK-UP	Thorough history. Slit lamp examination. Topography
		TREATMENT	Observation \| Vision correction with glasses or contact lenses (soft, rigid gas permeable or scleral lenses)
		FOLLOW-UP	Annually
		ADDITIONAL LAB \| TESTS	Topography
		ETIOLOGY	Unknown
		DIFFERENTIAL DX	Mooren ulcer \| Pellucid marginal degeneration \| Dellen \| Post-LASIK ectasia
		NOTES	There is a low risk of corneal perforation