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Firmware Update for Your RETeval Device

Version 2.13.7

Release date: February 29, 2024

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Firmware update 2.13.7 is now available for the RETeval® device and can be easily downloaded and installed using the instructions on this page.

What's New in This Release?

  • Removed color-coding on PhNR reports to reduce confusion between reference limits and clinical decision limits. Color coding can be turned back on via the Settings menu.
  • Bug fixes
  • Other minor enhancements

Installation Instructions

  1. Place your RETeval device into the docking station and connect the docking station to your computer using the provided USB cable. If prompted, allow the device to appear as an external drive on the computer.
  2. Using your computer, click here to download firmware update 2.13.7.
  3. Copy the downloaded file to the “Firmware” directory folder on the RETeval.
  4. Eject the RETeval device drive from your computer and remove the device from the docking station.
  5. On the device, navigate to “Settings” in the main menu, then “System,” then “Update firmware.” If “Update firmware” is not visible, go back to the “Settings” page, wait 20 seconds and try again. The device performs self-checks when first turned on, and the “Update firmware” button is hidden until those self-checks are complete. Select the firmware version to start the update process

Detailed instructions can also be found in the RETeval device user manual. The manual is available in the Customer Resource Center as well as in the root directory of the RETeval device when docked and connected to your computer.

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Barcode App

If you have not yet downloaded the data barcode app for scanning patient information and adding the testing date on the RETeval device, download the app using the buttons below. The app is available for desktop computers with Windows operating system and mobile devices with iOS or Android.

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© 2024 LKC Technologies, Inc.

California Proposition 65 information

Prop-65Warning: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Substance Tables:

The table below lists substances which may be contained within LKC’s RETeval and RETevet products. Substances listed as Type 1 are within permissible levels in one or more of LKC’s products. Substances listed as Type 2 are used in the production of some components used in LKC products and may be present at trace levels, but are typically destroyed during processing. 

RETeval and RETevet Devices

Substance CAS # Type Listed as causing:
Nickel 7440-02-0 1 Cancer
Acrylonitrile 107-13-1 2
Ethylbenzine 100-41-4 2
Crystaline Silica 14808-60-7 1
Lead 7439-92-1 1 Cancer Developmental Toxicity Male Reproductive Toxicity Female Reproductive Toxicity
Methylene Chloride 75-09-2 2 Cancer Female Reproductive Toxicity
Bisphenol A 80-05-7 2
N-Hexane  110-54-3 2 Male Reproductive Toxicity