![]() ![]() Tracey Technologies developed the first iTrace more than a decade ago to help uncover the underlying causes of “vision mysteries,” educate patients, and precisely plan a range of vision correction procedures. Stephen Pflugfelder, MD, Professor and James and Margaret Elkins Chair in Ophthalmology at Baylor College of Medicine in Houston, TX, spoke on the news about the upcoming tear film analysis feature: "We're excited about the potential of the iTrace tear film analysis to give physicians new quantitative parameters to diagnose and monitor dry eye and tear film disorders." iTrace Prime adds an objective understanding of how Dry Eye Disease (DED) may be affecting the corneal surface with the Tear Film Index (TFI™), which includes tear film breakup time analysis, and quantifies areas of the ocular surface that need to be addressed.ĭr. The iTrace is designed to provide as much information about a patient’s eyes as possible to enable precise planning and measurement before surgery occurs, and the stability of the ocular surface is a critical component of providing optimal results and satisfied patients. It is packed with essential information on one screen that is easy to access for surgical planning and analysis. Using proprietary Ray Tracing visual analysis, the Dashboard breaks down a patient’s vision into depictions of corneal, internal, and combined vision quality. In iTrace Prime, the DLI is now included in a new display called the “Prime Dashboard”. The DLI™ is a 1-10 scale that enables doctors to assess a patient’s lens dysfunction objectively and track it over time as degradation continues, helping to better understand the optimal time to perform surgery. The iTrace is currently equipped with a patented algorithmic metric called the “Dysfunctional Lens Index” that has been available for several years in previous versions. The iTrace is trusted by top eye doctors and surgeons around the world to support and simplify the process of classifying quality of vision, making decisions about surgery, choosing the right lens implant for cataract procedures, and more. Houston, TX - Tracey Technologies announced the release of the 7th generation of software, called “ iTrace Prime,” adding several features that enable new applications of a device that’s already known to be unique in comparison with other devices in the market. 02, 2023 (GLOBE NEWSWIRE) - Houston, Texas. Keratometry Orbscan II White-to-white distance iTrace.Houston, Feb. ![]() For the measurement of WTW distance, the range of the 95 % LoA between the two devices was 0.47 mm.įor some clinical applications, the keratometry and WTW distance measurements obtained by the Orbscan II topographer and the iTrace aberrometer differed greatly and therefore were not interchangeable.Ĭlinical trials number: ChiCTR-OCS-14005077 (August 2nd, 2014). For the measurement of corneal power, the 95 % limits of agreement (LoA) between the Orbscan II and iTrace were - 0.21 to 1.21 D for the flat meridian and - 0.15 to 1.25 D for the steep meridian. The mean WTW distance measurements with the Orbscan II and iTrace were 11.57 ± 0.34 and 11.33 ± 0.36 mm, respectively (P < 0.0001). The mean keratometry values with the Orbscan II and iTrace were 43.16 ± 1.44 and 42.64 ± 1.43 diopter (D), respectively (P < 0.0001). ![]() Statistical evaluation was performed using the paired t test, Pearson correlation, and Bland-Altman analysis for comparison of measurement techniques. Keratometry readings in the flat (Kf) and steep (Ks) meridians and WTW distance were measured with the Orbscan II and iTrace systems in 100 myopic patients. ![]() The purpose of this study was to compare corneal power and horizontal corneal diameter (white-to-white distance) readings obtained by the Orbscan II topographer and the iTrace aberrometer. ![]()
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