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Xiaoqiang Liu, Fang Wang; Evaluation of Terrien Marginal Degeneration Using Anterior Segment Optical Coherence Tomography. Invest. Ophthalmol. Vis. Sci. 2013;54(15):560.
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© ARVO (1962-2015); The Authors (2016-present)
To investigate the morphologic characteristics of Terrien marginal degeneration (TMD) using anterior segment optical coherence tomography (AS-OCT).
Slitlamp microscopy, AS-OCT and corneal topography were performed in ten eyes of six patients (four male, two female) with TMD.
Clinically, all patients demonstrated typical TMD. Unilateral isolated TMD was presented in two female patients. AS-OCT clearly demonstrated the extension of the ectatic part, thickness, and structure of the cornea in all cases. A characteristic thinned zone of peripheral cornea was showed in all affected eyes. Hydrop in the ectatic part of cornea was seen in one patient. The topographic maps showed irregular astigmatism in four eyes.
The AS-OCT detects the microstructure of cornea clearly and can be used to monitor the progression of TMD.
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