The invention relates to a method for determining irradiation parameters for the operation of a laser (2) for irradiating one or more target regions of the retina (16) of an eye (4) by means of an irradiation beam (11), in which method the retina is fully or partly illuminated by an illumination device (5, 5) under defined illumination parameters, and, during and/or shortly after the illumination, at least one recording, in particular at least one camera image, is captured of at least one target region of the retina, and in which method at least starting values of the irradiation parameters are determined for the irradiation of one or more target regions of the retina using the recording(s) or camera image(s). The invention also relates to a corresponding apparatus in the form of an expanded ophthalmoscope and allows, with the lowest possible complexity, objectified determination of starting values for irradiation parameters during laser treatment of a retina.

Systems and methods for performing laser cataract surgery, for using a biometric system to determine a material property of a structure of the eye, laser pulses in a laser shot pattern having different powers. A therapeutic laser, and laser delivery system having the capability to vary the power of the laser beam.

A method for aligning a system for laser-based ametropia correction relative to a patient's eye to be treated is disclosed. Predefined pre-operative measurement data which characterize at least predetermined structures of the patient's eye is provided. The predetermined structures include a part of the patient's eye to be treated. In addition, the method includes measuring at least one part of the predetermined structures of the patient's eye using an OCT system immediately before and/or during treatment for ametropia correction of the patient's eye and providing OCT measurement data, and comparing the OCT measurement data and the predefined pre-operative measurement data and preparing comparative data. The method also includes ascertaining a position and/or orientation of the part of the patient's eye to be treated relative to the system and aligning the system relative to the patient's eye using the ascertained position and/or orientation of the part of the patient's eye.

Systems and methods for performing laser cataract surgery, for using a biometric system to determine a material property of a structure of the eye, laser pulses in a laser shot pattern having different powers. A therapeutic laser, and laser delivery system having the capability to vary the power of the laser beam.

Systems and methods for performing laser cataract surgery, for using a biometric system to determine a material property of a structure of the eye, laser pulses in a laser shot pattern having different powers. A therapeutic laser, and laser delivery system having the capability to vary the power of the laser beam.