itrace dynamic laser refraction clinical application n.
Download
Skip this Video
Loading SlideShow in 5 Seconds..
iTrace Dynamic Laser Refraction: Clinical Application PowerPoint Presentation
Download Presentation
iTrace Dynamic Laser Refraction: Clinical Application

Loading in 2 Seconds...

play fullscreen
1 / 12

iTrace Dynamic Laser Refraction: Clinical Application - PowerPoint PPT Presentation


  • 109 Views
  • Uploaded on

iTrace Dynamic Laser Refraction: Clinical Application. Joe S. Wakil, M.D. Chairman, Tracey Technologies, LLC and EyeSys Vision, Inc. Speaker has a Financial Interest. Why Dynamic Ray Tracing? Because… the Eye is NOT a Telescope!. Effects Refraction (ex. Night Myopia)

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about 'iTrace Dynamic Laser Refraction: Clinical Application' - lesley


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
itrace dynamic laser refraction clinical application

iTrace Dynamic Laser Refraction: Clinical Application

Joe S. Wakil, M.D.

Chairman, Tracey Technologies, LLC

and EyeSys Vision, Inc.

Speaker has a Financial Interest

why dynamic ray tracing because the eye is not a telescope
Why Dynamic Ray Tracing?Because… the Eye is NOT a Telescope!

Effects Refraction (ex. Night Myopia)

Refraction is NOT a FIXED Number!

Effects Refraction (Instrument Myopia)

Effects Quality of Vision (Aberrations)

Pupil Size:

Accommodation:

Tear Film:

Where are the Sources of Aberrations?

How do they change with Surgery?

Astigmatism (Irreg.), Sph & other HOA

Astigmatism, Coma & other HOA

Cornea:

Lens:

aberrometer wavefront technologies
Aberrometer/Wavefront Technologies
  • Hartmann-Shack Lenslet Array
  • Tscherning Aberrometer
  • Differential Skiascopy
  • Ray Tracing

Features:

-Rapid, point by point, IR measurement - no data confusion

-Pupillometry with auto-tracking/capture

-Programmable sampling (256 pts.) in any pupil up to 8mm

-Open Field Fixation – avoid instrument myopia and measure Accommodation

-Corneal Topography integration – able to measure Lens Aberrations

-VISX license for Custom LASIK

slide10

Accommodating IOL

Near Fixation

Change due to Accommodation

Far Fixation

advantages of ray tracing aberrometry combined with corneal topography itrace
Advantages of Ray Tracing Aberrometry Combined with Corneal Topography - iTrace
  • Robust dynamic range to measure highly irregular eyes including immediately post-op
  • Multi-Zone Refraction in seconds to measure variations in refraction from normal night myopes to post-op results saving chair time
  • Able to separate Corneal from Lenticular (internal ocular) sources of aberrations with EyeSys Corneal Topography
  • Improved Diagnostic Wavefront to help in patient selection including Custom LASIK and IOL procedures

- Thank You For Your Attention -

conclusion
Conclusion

The Tracey iTrace brings a new standard of care in completely assessing vision in terms of quality of vision and corneal topography to progress visual correction through surgery to its ultimate goals.