Laser polishing of lens surface

Details Laser polishing of lens surface Laser polishing of lens surface

B - Operations, Transporting

23

K

327/1.4

B23K 26/00 (2006.01) B29D 11/00 (2006.01)

Patent

CA 2001282

ABSTRACT OF THE DISCLOSURE A process for the smoothing of a lens surface, in particular a contact lens, comprising the step of irradiating the surface of a lens with a laser beam to cause a controlled level of melting of the lens surfaces, but without substantial ablative photo-decomposition, whereby the surface of the lens is smoothed. Prior to the step of irradiating the surface of the lens, the lens may be cut in a conventional lathing operation.

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