Method and apparatus for analysis and correction of abnormal...

Details Method and apparatus for analysis and correction of abnormal... Method and apparatus for analysis and correction of abnormal...

A - Human Necessities

61

B

354/22, 326/12.7

A61B 3/00 (2006.01)

Patent

CA 1254658

METHOD AND APPARATUS FOR ANALYSIS AND CORRECTION OF ABNORMAL REFRACTIVE ERRORS OF THE EYE ABSTRACT OF THE DISCLOSURE The invention contemplates instrumentation to aid in performing refraction-corrective surgery on the cornea, (1) by determining the topography of the anterior surface of the cornea, the deter- mination being in the form of digitized data entered into computer storage, (2) by determining the local thickness of the cornea along multiple axes, the determination being also in the form of digitized data entered into computer storage, and (3) by providing a CAD/CAM display of both categories of data, correlated as appropriate for the surgeon's selective display of a corneal region, aspect or section, as the surgeon may deem pertinent to a prospective operation.

510018

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