公开(公告)号：US20230160690A1

公开(公告)日：2023-05-25

申请号：US18055732

申请日：2022-11-15

Applicant: Alcon Inc.

Inventor： John Park ,  Edward A. DeHoog

IPC: G01B11/22 ,  A61B90/00

CPC classification number: G01B11/22 ,  A61B90/06 ,  A61B2090/062

Abstract: In certain embodiments, an ophthalmic system includes an anamorphic depth gauge (ADG) device and a computer. The ADG device measures the z-location in the interior of an eye and includes a detector array arranged at an oblique angle with respect to the z-axis. The array generates a detector signal in response to detecting a light beam, which has a z-focus in the interior of the eye. A set of line focus optical elements focuses the light beam to form a line focus on the detector array, and a set of nominal focus optical elements focuses the light beam to form a nominal focus on the detector array. The computer: generates an image using the detector signal; determines the position of the nominal focus on the line focus according to the image; and determines the z-location of the z-focus from the position of the nominal focus on the line focus.

公开(公告)号：US20230157885A1

公开(公告)日：2023-05-25

申请号：US18054448

申请日：2022-11-10

Applicant: Alcon Inc.

Inventor： Edward A. DeHoog ,  John Park

IPC: A61F9/008

CPC classification number: A61F9/00825 ,  A61F2009/00897 ,  A61F2009/00874 ,  A61F2009/00851

Abstract: In certain embodiments, an ophthalmic laser surgical system for imaging and treating a target in an eye includes a digital micromirror device (DMD) confocal microscope, a laser device, and a computer. The DMD confocal microscope generates of images of the eye and includes a light source, a DMD device, and an image sensor. The light source provides a microscope imaging beam. The DMD device directs the microscope imaging beam along an imaging path towards the eye, receives the microscope imaging beam reflected from the eye, and rejects light of the reflected microscope imaging beam that is not from an image plane to scan the microscope imaging beam. The image sensor detects the scanned microscope imaging beam to generate the images of the eye. The laser device directs a laser beam along a laser beam path towards the target in the eye.

公开(公告)号：US20230157881A1

公开(公告)日：2023-05-25

申请号：US18049986

申请日：2022-10-26

Applicant: Alcon Inc.

Inventor： John Park ,  Edward A. DeHoog

IPC: A61F9/008

CPC classification number: A61F9/008 ,  A61F2009/00851 ,  A61F2009/00897

Abstract: In certain embodiments, an ophthalmic laser surgical system for imaging and treating a target in an eye includes an imaging system. The imaging system includes a scanning laser ophthalmoscope (SLO) device and an optical coherence tomography (OCT) device. The SLO device generates SLO images, and the OCT device generates OCT images. The SLO device and the OCT device share a scanning system and a light detector. The scanning system scans SLO and OCT imaging beams within the eye. The light detector detects the SLO and OCT imaging beams reflected from the eye and generates SLO and OCT signals in response to detecting the imaging beams.