Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Technique for centering an application field

A region and centering point technology, applied in application, laser surgery, ophthalmic surgery, etc., can solve problems such as inaccurate ablation results, time-consuming manual offset, and uncertainty

Active Publication Date: 2017-05-10
ALCON INC
View PDF6 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, manually biased centering points are routinely based on subjective visual estimates and are limited by the instrumentation used for visual inspection (e.g. microscope resolution)
Additionally, the mere fact that biasing is performed manually can introduce uncertainties and lead to inaccuracies in ablation results, for example after applying drugs as well as using surgical instruments
Furthermore, manual biasing is time consuming and requires additional effort by the surgeon

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Technique for centering an application field
  • Technique for centering an application field
  • Technique for centering an application field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0043] In the following description, for purposes of explanation and not limitation, specific details are set forth, such as specific device configurations and specific points on the cornea, in order to provide a thorough understanding of the techniques disclosed herein. It will be apparent to those skilled in the art that the technology may be practiced in other embodiments that depart from these specific details. For example, although the following embodiments are described with respect to the corneal apex, the technique is readily practiced using the intersection of the optic axis of the apex and the corneal surface, or the apex of the corneal surface, instead of or in conjunction with the apex.

[0044] Those skilled in the art will also appreciate that the methods, functions and components explained herein can be implemented using hardware circuits alone, using software running in conjunction with a microprocessor or general purpose computer, or a combination thereof.

[...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present disclosure generally relates to a technique for centering an application field for an ophthalmic device or a method. More specifically, and without limitation, the disclosure relates to a device and a method for centering an application field relative to the cornea of a human eye responsive to movement of the eye tracked in real-time during the ophthalmic application based on a pupil center. An ophthalmic device or method allows performing one or more procedures with respect to an eye of a patient, such as a surgical, therapeutic and diagnostic procedure, e.g., including and not limited to Laser-Assisted in-situ Keratomileusis (LASIK), Epi-LASIK, PRK, lenticule extraction or keratoplasty.

Description

technical field [0001] The present disclosure generally relates to techniques for determining the center of an application area for ophthalmic applications. More particularly and without limitation, the present disclosure relates to apparatus and methods for determining the center of an application region relative to the cornea of ​​a human eye in response to eye movements based on pupil center real-time tracking during ophthalmic applications. Background technique [0002] An ophthalmic device or method of operating such a device that allows one or more procedures (i.e., ophthalmic applications) to be performed on a patient's eye, such as surgical, therapeutic, or diagnostic procedures, including, for example and without limitation, LASIK (Laser In Situ Keratomileusis) ), Epi-LASIK, PRK, microlens extraction, or keratoplasty. [0003] Eye fixation can be avoided by real-time tracking of eye movements (eg, involuntary saccades) during ophthalmic applications (eg, laser abla...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): A61B3/113A61F9/008
CPCA61B3/113A61F2009/00846A61F9/008A61B3/107A61B3/112A61B3/152A61H5/00
Inventor S·雷蒙尼斯M·阿布拉罕
Owner ALCON INC
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com