Carl Zeiss Meditec Ag

Carl Zeiss Surgical Gmbh

Gerhard Moeller

Anja Seiwert

Peter Amend

Michel Perez

Peter Reimer

Peter Andrews

A surgical microscopy system comprises microscopy optics for generating an image of an eye under surgery. A pattern generator generates a pattern to be superimposed with the image. An eye-tracker is provided for tracking a position of the superimposed pattern with respect to the image in case of a movement of the eye. The superimposed pattern comprises pattern elements that are equally distributed on first and second circles of different sizes, in order to give assistance when placing a suture during a corneal transplant. The superimposed pattern may also provide an assistance for orientating a toric intra-ocular lens.

Surgical microscopy system and method for performing eye surgery

A microscope arrangement () is for viewing an object or an intermediate image, which is generated by an object, especially in microsurgery. The microscope arrangement () includes an objective arrangement () having an object plane () for arranging the object or intermediate image () to be viewed. The microscope arrangement has a focus offset adjusting unit () which outputs a focusing offset signal in order to defocus in a defined manner the objective arrangement relative to a focusing state.

Ophthalmologic surgical microscope having focus offset

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Aalen, Germany

Gerhard Moeller