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Cassini topographer shows parity with other devices
A novel keratometer with colored light-emitting diodes generated cylinder measurements comparable to those obtained with Placido rings, monochromatic LEDs and Scheimpflug images, according to a study.The Cassini topographer (i-Optics), which analyzes corneal shape based on the reconstruction of specular reflections on 679 colored LEDs, generates keratometry and measurements of lower- and higher-order corneal aberrations.