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Tracey Technologies launches upgraded aberrometer

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2 min read

Tracey Technologies has released an upgraded version (7.0) of its iTrace Ray Tracing aberrometer and corneal topography: iTrace Prime.

Talk about the original software first.

The iTrace 6 was marketed as the only device that could recreate the exact path that light takes through the eye, allowing for objective quality of vision measurements. The software enabled clinicians to more accurately diagnose lens dysfunction and create better overall patient satisfaction with a toric intraocular lens (IOL).

The software included a Dysfunctional Lens Index (DLI) and toric check display—allowing for post-surgical evaluation of a toric lens’ position without the need for eye dilation.

Tell me more about the DLI.

The iTrace’s DLI uses data from the iTrace’s 60-second scan and algorithms to create a visual display of the differences in the performance of the lens and cornea, and showing a subject vision simulation for patients.

What’s new with this version?

The new 7.0 software update includes an enhanced dashboard with two additional indices accompanying Tracey’s proprietary DLI from the previous version: the Corneal Performance Index (CPI) and Quality of Vision Index (QVI).

Anything else?

Also new is Tear Film Analysis that captures images of the ocular surface for 12 seconds after blinking—which enables an appreciation of the local shape and sharpness change analysis of Placido rings (reflected from the cornea)—as well as a proprietary algorithm that determines Tear Film Index (TFI) on a 0-10 scale.

The importance of this index lies in the ability to assess the visual impact of dry eye disease (DED).


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