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Campo visual - Overview

Nombres alternativos

Perimetría; Examen de pantalla tangente; Examen de perimetría automatizado; Examen del campo visual de Goldmann; Examen del campo visual de Humprey

Definición:

Se refiere al área total en la cual los objetos se pueden ver en la visión lateral (periférica), mientras usted enfoca los ojos en un punto central.

Forma en que se realiza el examen:

Examen de confrontación del campo visual: es una revisión básica y rápida del campo visual. El médico se sienta directamente frente a usted. Se cubrirá un ojo y mirará fijamente hacia adelante con el otro. Se le pedirá que diga cuándo puede ver la mano del examinador.

Examen con pantalla tangente o examen del campo visual de Goldmann: debe sentarse a aproximadamente 3 pies (1 metro) de distancia de una pantalla con una diana en el centro. Se le pide mirar fijamente al objeto en el centro y hacerle saber al examinador cuándo puede ver un objeto que se mueve hacia su visión lateral. Este examen crea un mapa de su visión periférica completa.

Perimetría automatizada: usted se sienta frente a un domo cóncavo y fija la vista en un objeto en la mitad. Presionará un botón cuando vea pequeños destellos de luz en su visión periférica. Sus respuestas ayudan a determinar si tiene un defecto en el campo visual.

Preparación para el examen:

No se necesita ninguna preparación especial.

Lo que se siente durante el examen:

Este examen no produce ninguna molestia.

Razones por las que se realiza el examen:

Este examen oftalmológico revelará si usted tiene una pérdida de la visión en alguna parte de su campo visual. El patrón de pérdida de visión le ayudará al médico a diagnosticar la causa.

  • Reviewed last on: 2/10/2011
  • Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, Unviersity of Washington School of Medicine; and Franklin W. Lusby, MD, Ophthalmologist, Lusby Vision Institute, La Jolla, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Piltz-Seymour JR, Heath-Phillip O, Drance SM. Visual fields in glaucoma. In: Tasman W, Jaeger EA, eds. Duane's Ophthalmology. 15th ed. Philadelphia, Pa: Lippincott Williams & Wilkins; 2009:chap 49.

American Academy of Ophthalmology Preferred Practice Patterns Committee. Preferred Practice Pattern Guidelines. Comprehensive Adult Medical Eye Evaluation. San Francisco, CA: American Academy of Ophthalmology, 2010. Accessed January 17, 2011.

Budenz DL. Visual field testing in glaucoma. In: Yanoff M, Duker JS, eds. Ophthalmology. 3rd ed. St. Louis, MO: Mosby Elsevier;2008:chap 10.5.

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