[Corneal thickness mapping with an ultrasound biomicroscope]

We developed a corneal thickness mapping system with ultrasound biomicroscopy (UBM). Perpendicular section ultrasonic echo images of cornea within a radius of 2.5 mm from the center of the cornea in normal eyes were digitized and analyzed with a computer. Pachymetric maps were then represented by a color scale. Individual corneal thickness mapping will be necessary in refractive surgery and helpful in understanding pathologic states.