The purpose of this article is to review the plateau iris configuration demonstrating the importance of ultrasound biomicroscopy in the diagnosis. The possible non-pupillary block mechanism of angle-closure glaucoma and its management are also discussed. Resumen El objetivo de este trabajo es presentar una revisión de la configuración del iris en meseta demostrando la importancia de la biomicroscopía ultrasónica en el diagnóstico. También son discutidos los probables mecanismos del bloqueo no pupilar en el glaucoma de ángulo cerrado y su tratamiento.

While tearing patients have similar complaints, the etiology of their symptoms may vary widely and thus require a meticulous evaluation. A thorough history followed by systematic examination of the lids, ocular surface, anterior segment, and lacrimal system will lead the clinician to the proper diagnosis. Treatment options for lacrimal obstruction are varied and as surgical techniques continue to evolve, new studies are indicated to determine the approaches that provide the most successful outcomes while ensuring patient safety.