... That has the functions of corneal curvature measurement, A scan and B Ophthalmic B Scan & pachymeterB scan: Detecting ophthalmic disease ... performance product due to its storage of 8 frames of images, its 4 kinds of display mode and its competitive price. Technology ... Anterior chamber, lens, vitreous, length, auto calculate, their average and analysis statistic IOL Formula: SRK-II, SRK-T, BINKHORST, ...