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El síntoma principal de un terigión es un área indolora de tejido blanquecino elevado, con vasos sanguíneos sobre el borde interno o externo de la córnea. Algunas veces, puede inflamarse y causar ardor, irritación o una sensación como de que hay algo extraño en el ojo.
El diagnóstico se confirma con un examen físico de los ojos y párpados. Por lo general, no se necesitan exámenes especiales.
Farjo QA, Sugar A. Pterygium and conjunctival degenerations. In: Yanoff M, Duker JS, eds. Ophthalmology. 3rd ed. St. Louis, MO: Mosby Elsevier; 2008:chap 4.9.
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