Method and System for Removal and Replacement of Lens Material fron the Lens of an Eye
There is provided a system, apparatus and methods for developing laser systems that can create a precise predetermined capsulotomy. The systems, apparatus and methods further provide laser systems that reduce the patient-to-patient variability and doctor-to-doctor variability associated with hand held apparatus for performing capsulorhexis and capsulotomies. There is further provided a precise predetermined shot pattern and shaped capsulotomy that is based at least in part on the shape of an IOL and in particular an accommodating IOL.
1 . A system for reducing eye to eye and surgeon to surgeon variability in performing procedures to create cuts in the capsule of the crystalline lens of the eye, the system comprising:
a. a therapeutic laser for producing a therapeutic laser beam;
b. an optical path for directing the therapeutic laser beam from the therapeutic laser to the lens of the eye; and,
c. a control system for at least directing the therapeutic laser beam in a predetermined non-geometric shaped shot pattern on a portion of the anterior capsule of the lens of the eye to create a precise predetermined non-geometric shaped capsulotomy.
2 . The system of claim 1 wherein the predetermined shot pattern comprises at least one essentially straight section.
3 . The system of claim 1 wherein the predetermined shot pattern comprises at least two essentially straight sections.
4 . The system of claim 1 wherein the predetermined shot pattern comprises a first essentially straight section, a second essentially straight section, a first curved section and a second curved section.
5 . The system of claim 1 wherein:
a. the predetermined shot pattern comprises a first essentially straight section, a second essentially straight section, a first curved section and a second curved section; and,
b. the first essentially straight section is connected to the second and third curved sections.
6 . The system of claim 1 comprising a means for determining the apex of the lens of the eye.
7 . A system for reducing eye to eye and surgeon to surgeon variability in performing procedures to create cuts in the capsule of the crystalline lens of the eye, the system comprising:
a. a therapeutic laser for producing a therapeutic laser beam;
b. an optical path for directing the therapeutic laser beam from the therapeutic laser to the lens of the eye;
c. a control system for at least directing the therapeutic laser beam in a predetermined non-geometric shaped shot pattern on a portion of the anterior capsule of the lens of the eye to create a precise predetermined non-geometric shaped capsulotomy; and,
d. the shot pattern shape being based at least in part on the shape of an IOL.
8 . The system of claim 7 wherein the predetermined shot pattern comprises at least one essentially straight section.
9 . The system of claim 7 wherein the predetermined shot pattern comprises at least two essentially straight sections.
10 . The system of claim 7 wherein the predetermined shot pattern comprises a first essentially straight section, a second essentially straight section, a first curved section and a second curved section.
11 . The system of claim 7 wherein:
a. the predetermined shot pattern comprises a first essentially straight section, a second essentially straight section, a first curved section and a second curved section; and,
b. the first essentially straight section is connected to the second and third curved sections.
12 . The system of claim 7 comprising a means for determining the apex of the lens of the eye.
13 . The system of claim 7 wherein the IOL is an FDA approved accommodating IOL.
14 . The system of claim 7 wherein the IOL is an FDA approved IOL for near, intermediate and distance vision.
15 . The system of claim 7 wherein the IOL is an FDA approved IOL that reduces or eliminates the need for spectacles.
16 . A system for reducing eye to eye and surgeon to surgeon variability in performing procedures to create cuts in the capsule of the crystalline lens of the eye, the system comprising:
a. a therapeutic laser for producing a therapeutic laser beam;
b. an optical path for directing the therapeutic laser beam from the therapeutic laser to the lens of the eye;
c. a control system for at least directing the therapeutic laser beam in a predetermined non-geometric shaped shot pattern on a portion of the anterior capsule of the lens of the eye to create a precise predetermined non-geometric shaped capsulotomy;
d. the shot pattern shape being based at least in part on the shape of an IOL, the IOL having at least one hinge; and,
e. the shot pattern essentially following the shape of the IOL.
17 . The system of claim 16 wherein the shot pattern is positioned on the lens of the eye so that the capsulotomy is in part position outside of the hinge.
18 . A system for reducing eye to eye and surgeon to surgeon variability in performing procedures to create cuts in the capsule of the crystalline lens of the eye, the system comprising:
a. a therapeutic laser for producing a therapeutic laser beam;
b. an optical path for directing a therapeutic laser beam from the therapeutic laser to the lens of the eye;
c. a control system for at least directing the therapeutic laser beam in a shot pattern on a portion of the anterior capsule of the lens of the eye to create a cut in the capsule;
d. the shot pattern having an X, Y and Z direction component;
e. the delivery of the shots in the shot pattern relative to the X, Y and Z directional components being delivered in a jigsaw cut, having a Z direction sweep; and,
f. wherein the Z direction sweep is of a magnitude that it substantially reduces the number of missed cuts which reduces eye to eye and surgeon to surgeon variability.
19 . A system for reducing eye to eye and surgeon to surgeon variability in performing procedures to create cuts in the capsule of the crystalline lens of the eye, the system comprising:
a. a therapeutic laser for producing a therapeutic laser beam;
b. an optical path for directing a therapeutic laser beam from the therapeutic laser to the lens of the eye;
c. a control system for at least directing the therapeutic laser beam in a shot pattern on a portion of the anterior capsule of the lens of the eye to create a cut in the capsule; and,
d. a means for determining the apex of the lens of the eye.
20 . A method for making a laser device for creating a precise predetermined capsulotomy, said method comprising:
a. obtaining a laser device having a therapeutic laser;
b. analyzing an IOL to obtain information about the IOL;
c. developing a non-geometric shaped shot pattern for the delivery of the therapeutic laser to the capsule of the crystalline lens of the eye;
d. said development being based at least in part upon the information obtained from said analysis; and,
e. providing the non-geometric shot pattern to said laser device.
21 . The method of claim 20 wherein the IOL is an FDA approved accommodating IOL.
22 . The method of claim 20 wherein the IOL is an FDA approved IOL for near, intermediate and distance vision.
23 . The method of claim 20 wherein the IOL is an FDA approved IOL that reduces or eliminates the need for spectacles.