A mask configured to be implanted in a cornea of a patient to increase the depth of focus of the patient includes an anterior surface, a posterior surface, and a plurality of holes. The anterior surface is configured to reside adjacent a first corneal layer. The posterior surface is configured to reside...http://www.google.es/patents/US20060079959?utm_source=gb-gplus-sharePatente US20060079959 - Mask configured to maintain nutrient transport without producing visible diffraction patterns
Mask configured to maintain nutrient transport without producing visible ...
