Ophthalmological Apparatus For Treating Eye Tissue Using A Pulsed Laser Beam

An ophthalmological apparatus for treating eye tissue, comprising:

• a laser source configured to produce a pulsed laser beam;
• a scanner system configured to direct the pulsed laser beam at a treatment speed in the eye tissue along a scanning treatment line;
• a first scanning apparatus, connected upstream of the scanner system, configured to deflect the pulsed laser beam to produce a first scanning movement component, in a first scanning direction at a first scanning speed that is higher as compared to the treatment speed, wherein the first scanning movement component is superposed on the scanning treatment line;
• a second scanning apparatus connected upstream of the scanner system, configured to deflect the pulsed laser beam to produce a second scanning movement component, in a second scanning direction, which is at an angle to the first scanning direction of the first scanning movement component, at a second scanning speed that is higher as compared to the treatment speed, wherein the second scanning movement component is superposed on the first scanning movement component, wherein a scanning region is treated by the deflection of the pulsed laser beam with the first scanning movement component in the first scanning direction and the superposed, second scanning movement component in the second scanning direction;
• and
• a circuit configured to control the scanner system, the first scanning apparatus, and the second scanning apparatus, wherein the scanning region is moved by the scanner system along the scanning treatment line to effect volume treatment of eye lens tissue for softening the eye lens, wherein the volume treatment of eye lens tissue is effected by the circuit controlling the first scanning apparatus to deflect the pulsed laser beam with the first scanning movement component in the first scanning direction, by the circuit controlling the second scanning apparatus to deflect the pulsed laser beam with the superposed, second scanning movement component in the second scanning direction, and by the circuit controlling the scanner system to direct the pulsed laser beam along the scanning treatment line, wherein the volume of eye lens tissue is greater than a width of the pulsed laser beam.

An ophthalmological apparatus for treating eye tissue, comprising:

• a laser source configured to produce a pulsed laser beam;
• a scanner system configured to direct the pulsed laser beam at a treatment speed in the eye tissue along a scanning treatment line;
• a first scanning apparatus, connected upstream of the scanner system, configured to deflect the pulsed laser beam to produce a first scanning movement component, in a first scanning direction at a first scanning speed that is higher as compared to the treatment speed, wherein the first scanning movement component is superposed on the scanning treatment line;
• a second scanning apparatus connected upstream of the scanner system, configured to deflect the pulsed laser beam to produce a second scanning movement component, in a second scanning direction, which is at an angle to the first scanning direction of the first scanning movement component, at a second scanning speed that is higher as compared to the treatment speed, wherein the second scanning movement component is superposed on the first scanning movement component, wherein a scanning region is treated by the deflection of the pulsed laser beam with the first scanning movement component in the first scanning direction and the superposed, second scanning movement component in the second scanning direction;
• and
• a circuit configured to control the scanner system, the first scanning apparatus, and the second scanning apparatus, wherein the scanning region is moved by the scanner system along the scanning treatment line to effect treatment of a lenticular tissue volume in a cornea of the eye, whereby the lenticular tissue volume has an upper exterior surface, facing an external surface of the cornea, and a lower exterior surface, facing away from the external surface of the cornea, and the upper exterior surface and the lower exterior surface have a varying distance there between and meet in an intersection point, wherein the treatment of the lenticular tissue volume is effected by the circuit controlling the first scanning apparatus to deflect the pulsed laser beam with the first scanning movement component in the first scanning direction, by the circuit controlling the second scanning apparatus to deflect the pulsed laser beam with the superposed, second scanning movement component in the second scanning direction, and by the circuit controlling the scanner system to direct the pulsed laser beam along the scanning treatment line, wherein the lenticular tissue volume is greater than a width of the pulsed laser beam.

An ophthalmological apparatus for treating an implant in eye tissue, comprising:

• a laser source configured to produce a pulsed laser beam;
• a scanner system configured to direct the pulsed laser beam at a treatment speed in the implant in the eye tissue along a scanning treatment line;
• a first scanning apparatus, connected upstream of the scanner system, configured to deflect the pulsed laser beam to produce a first scanning movement component, in a first scanning direction at a first scanning speed that is higher as compared to the treatment speed, wherein the first scanning movement component is superposed on the scanning treatment line;
• a second scanning apparatus connected upstream of the scanner system, configured to deflect the pulsed laser beam to produce a second scanning movement component, in a second scanning direction, which is at an angle to the first scanning direction of the first scanning movement component, at a second scanning speed that is higher as compared to the treatment speed, wherein the second scanning movement component is superposed on the first scanning movement component, wherein a scanning region is treated by the deflection of the pulsed laser beam with the first scanning movement component in the first scanning direction and the superposed, second scanning movement component in the second scanning direction;
• and
• a circuit configured to control the scanner system, the first scanning apparatus, and the second scanning apparatus, wherein the scanning region is moved by the scanner system along the scanning treatment line to effect treatment of a volume of the implant in the eye tissue, wherein the treatment of the volume of the implant is effected by the circuit controlling the first scanning apparatus to deflect the pulsed laser beam with the first scanning movement component in the first scanning direction, by the circuit controlling the second scanning apparatus to deflect the pulsed laser beam with the superposed, second scanning movement component in the second scanning direction, and by the circuit controlling the scanner system to direct the pulsed laser beam along the scanning treatment line, wherein the volume of the implant is greater than a width of the pulsed laser beam.

An ophthalmological apparatus for treating an ocular implant, comprising:

• a laser source configured to produce a pulsed laser beam;
• a scanner system configured to direct the pulsed laser beam at a treatment speed in the ocular implant along a scanning treatment line;
• a first scanning apparatus, connected upstream of the scanner system, configured to deflect the pulsed laser beam to produce a first scanning movement component, in a first scanning direction at a first scanning speed that is higher as compared to the treatment speed, wherein the first scanning movement component is superposed on the scanning treatment line;
• a second scanning apparatus connected upstream of the scanner system, configured to deflect the pulsed laser beam to produce a second scanning movement component, in a second scanning direction, which is at an angle to the first scanning direction of the first scanning movement component, at a second scanning speed that is higher as compared to the treatment speed, wherein the second scanning movement component is superposed on the first scanning movement component, wherein a scanning region is treated by the deflection of the pulsed laser beam with the first scanning movement component in the first scanning direction and the superposed, second scanning movement component in the second scanning direction;
• and
• a circuit configured to control the scanner system, the first scanning apparatus, and the second scanning apparatus, wherein the scanning region is moved by the scanner system along the scanning treatment line to effect treatment of a volume of the ocular implant, wherein the treatment of the volume of the ocular implant is effected by the circuit controlling the first scanning apparatus to deflect the pulsed laser beam with the first scanning movement component in the first scanning direction, by the circuit controlling the second scanning apparatus to deflect the pulsed laser beam with the superposed, second scanning movement component in the second scanning direction, and by the circuit controlling the scanner system to direct the pulsed laser beam along the scanning treatment line, wherein volume of the ocular implant is greater than a width of the pulsed laser beam.