System and method for disintegrating floaters, including near-retina floaters, using adaptive optics
AssigneeAlcon Inc.
InventorZsolt BOR
Life of this patent
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Abstract
A method for treating near-retina floaters includes dilating a pupil of an eye of a patient to at least 6.6 millimeters (mm). While the pupil is dilated to at least 6.6 mm, the method further includes emitting, by an optical delivery system, a plurality of pulses from a treatment laser into the eye of the patient, each pulse of the plurality of pulses having a diameter upon passing through the pupil that substantially fills the pupil and having a focus within 3 mm of a retina of the eye of the patient. Pulses may pass through adaptive optics that may be adjusted based on light emitted from the eye, such as two-photon fluorescence or second harmonic radiation, in order to reduce spot size at the focus.
Claims20
A method comprising:
- Transmitting, from a treatment laser, a treatment beam through adaptive optics and into an eye of a patient, the treatment beam having a numerical aperture such that the treatment beam substantially fills an entire area of a pupil of the eye;
- detecting, by a detector, at least one of two-photon fluorescence or second harmonic radiation from the eye of the patient;
- and
- performing, by a computing device, feedback control of the adaptive optics according to an output of the detector to reduce a focus size of the treatment beam within the eye.
A system for treating vitreous floaters, the system comprising:
- a treatment laser;
- and
- an optical delivery system configured to deliver pulses from the treatment laser into an eye of a patient, the treatment laser having a numerical aperture of at least 0.28 in air.
A method comprising:
- dilating a pupil of an eye of a patient to at least 6.6 millimeters (mm);
- and
- while the pupil is dilated to at least 6.6 mm, emitting, by an optical delivery system, a plurality of pulses from a treatment laser into the eye of the patient, each pulse of the plurality of pulses having a diameter upon passing through the pupil that substantially fills the pupil and having a focus on a floater within 3 mm of a retina of the eye of the patient.
Dependencies are inferred from the claim text.