System to measure the topography of both corneal surfaces and corneal thickness

摘要

The invention refers to a system to measure the topography of both surfaces of the cornea and its thickness, based on a collimated light beam, namely a laser beam, expanded in a fan shape by a cylindrical lens provided with rotational movement. The fan expanded beam produces an image of a corneal section by light diffusion; this image is captured by one or more video cameras. The rotation of the cylindrical lens causes the simultaneous rotation of the corneal section image, producing a complete scanning of the same cornea.