Visual Environment Evaluation Tool

Introducing Project VEET, from Meta Reality Labs Research. A state-of-the-art instrument that logs quantitative light data without cameras, microphones, or cloud connectivity.

*shown installed on a typical pair of prescription frames.

What is the VEET?

An exploded view of the VEET shows all of it's inner workings and optional parts.

The Visual Environment Evaluation Tool (VEET) is a research instrument that integrates the highest quality of spectral, luminance, movement, and distance sensors into an all-day-wearable form factor that can be connected to any existing glasses frame.

The VEET is a general purpose device that can be used to collect data to understand a user’s visual environment with applications in perceptual science research such as gaming, entertainment, or health-related research. One potential application is research into how the modern visual diet influences the onset and progression of myopia.

Privacy

The VEET has no camera, no microphone, no bluetooth or wifi connectivity, and does not record any personally identifying information. The device gathers data without compromising the wearer’s privacy or comfort.

No cameras
No microphones
No Bluetooth
No WIFI

Sensor Suite

At sensing rates of up to two seconds (1/2 hz), the VEET gathers the following information through four robust solid state sensors.

The sensor suite used by the VEET contains 4 individual sensors and is only 7.7mm x 11mm in size.

Luminance

Ambient Light Sensor
(ALS)

Spectrum

Spectral Sensor
(PHO)

Distance

Time of Flight Sensor
(TOF)

Activity

Inertial Measurement Unit
(IMU)

Continuously logs data

Each VEET temple arm comes with a battery that supports all-day data logging. If charged daily, the VEET has a data storage capacity of more than one year.

Data is continuously logged at pre-configured rates whenever battery reserves are available or the device is charging on wall power.

The VEET includes all day battery life, 24 hour data collection, and more than 1 year of onboard data storage.

Researcher friendly

Easy to configure
The VEETManager software provides a graphical user interface for configuring the data logging intervals and previewing sensor data. The software is compatible with both Windows and MacOS.

Easy to access data
The VEET connects via USB-C and shows up as a simple disk drive. The data is recorded as time series data in a CSV file.

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