초록 ▼

A device for observing the eye in order to treat the same comprising optical elements producing optical illumination beams which issue from a light source. The beams consist of parallel rays whose axes are eccentric and parallel to the axis of the focussing lens and traverse the lens. Observation be

A device for observing the eye in order to treat the same comprising optical elements producing optical illumination beams which issue from a light source. The beams consist of parallel rays whose axes are eccentric and parallel to the axis of the focussing lens and traverse the lens. Observation beams and illuminating beams are combined in one optical system. Beams emerging from the focussing lens or the eccentric illuminating rays exhibit a certain inclination relative to the axial observation beam.

대표청구항 ▼

Apparatus for treating the eye with a laser beam to effect ophthalmological surgery on said eye, said apparatus comprising an optical system for observing and treating the eye, means to produce a treatment laser beam having an axis, means for employing said optical system to observe the area of the

Apparatus for treating the eye with a laser beam to effect ophthalmological surgery on said eye, said apparatus comprising an optical system for observing and treating the eye, means to produce a treatment laser beam having an axis, means for employing said optical system to observe the area of the eye to be treated and to treat said eye with said laser beam, means to produce two elementary beams of visible coherent light rotating about the axis of said treatment laser beam in such a way to generate its envelope, means to modulate the light intensity of said elementary beams, said optical system comprising a focusing lens for directing the treatment laser beam on the area of the eye to be treated and means to adjust said optical system to ensure that the treatment laser beam is focused on the plane of treatment and that said treatment laser beam does not contact untreated portions of the eye prior to energizing said treatment laser beam for surgically treating the eye, said means to adjust being utilized when a light spot formed by the elementary beams in the plane of the focus of said focusing lens is flickering.