Visual Function Detector Operating Guide

Last updated: Jul 30, 2026

Start with device preparation and pairing, then choose eye position or eye position + fusion measurement. Five steps take you through the test and the history lookup.

Quick check before use

Device is fully charged
Power cable is connected securely
Test details and distance are confirmed

Detection edition workflow

Five steps, in order

Once the device is prepared and paired, choose either eye position measurement or eye position + fusion measurement. After the test, look up the results in the history.

The eight parts of the visual function detector — Numbers 1-8 in the image match the device items listed on the right

Device items

1
Lens holder: attaches the lenses needed for detection magnetically.
2
Main indicator light: shows standby, detection, data-receiving, or error status.
3
Adjustment knob: adjusts the distance between the left and right lens modules.
4
Head strap: adjustable to fit the person being tested.
5
Power cable: make sure the connection is secure before fitting the device.
6
Power button: press to power on; hold for 2 seconds to power off.
7
Charging port: connect a USB power cable to charge.
8
Battery indicator light: use it to check the current charge level and charging status.

First-time tip

Charge the device fully before use. A flashing yellow light means the charge is below 30%.

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User guide

Visual Function Detector Operating Guide

Last updated: Jul 30, 2026

Start with device preparation and pairing, then choose eye position or eye position + fusion measurement. Five steps take you through the test and the history lookup.

Quick check before use

Device is fully charged
Power cable is connected securely
Test details and distance are confirmed

Detection edition workflow

Five steps, in order

Once the device is prepared and paired, choose either eye position measurement or eye position + fusion measurement. After the test, look up the results in the history.

Device items

1
Lens holder: attaches the lenses needed for detection magnetically.
2
Main indicator light: shows standby, detection, data-receiving, or error status.
3
Adjustment knob: adjusts the distance between the left and right lens modules.
4
Head strap: adjustable to fit the person being tested.
5
Power cable: make sure the connection is secure before fitting the device.
6
Power button: press to power on; hold for 2 seconds to power off.
7
Charging port: connect a USB power cable to charge.
8
Battery indicator light: use it to check the current charge level and charging status.

First-time tip

Charge the device fully before use. A flashing yellow light means the charge is below 30%.

Still no answer?

We can help

If the content above didn't address your question, contact our support team and we'll get back to you as soon as possible.

Contact support Back to FAQ

Visual Function Detector Operating Guide

Five steps, in order

01Getting to know the detectorStart with the device parts, power, and indicator light positions.

02Preparing for first useCharging, cabling, fitting, and downloading the app.

03Signing in and pairing the deviceSearch for, confirm, and pair the device from the detection edition app.

04Choosing and running the testPick eye position measurement, or the full eye position + fusion test.

05Looking up the test historyLook up reports and trends by the person's phone number.

We can help

Visual Function Detector Operating Guide

Five steps, in order

01Getting to know the detectorStart with the device parts, power, and indicator light positions.

02Preparing for first useCharging, cabling, fitting, and downloading the app.

03Signing in and pairing the deviceSearch for, confirm, and pair the device from the detection edition app.

04Choosing and running the testPick eye position measurement, or the full eye position + fusion test.

05Looking up the test historyLook up reports and trends by the person's phone number.

We can help