Behavioral research
Content
In this diaporama, you will find a continuing selection of "Behavioral research" illustrations. Feel free to come back and visit regularly.
The reliability of eye-head coordination
Picture 1 - The VisionPrint system (VPS), a system used by vision professionals to
measure an individual's eye-head coordination strategy.
The reliability of eye-head coordination
Picture 2 – An optical flow is presented in the virtual reality simulator, superimposed over the 40° targets.
The reliability of eye-head coordination
Picture 4 – An optical flow is presented in the virtual reality simulator, superimposed over the targets at 40° that the subject is to look at. In this example, the subject is standing. He will carry out this same sequence in a seated position, in the same position as the one usually used with the VPS.
Effect of multifocal lenses on eye and head movements in presbyopic VDU users with neck and shoulder complaints
Fig. 2: Determination of head movement and computation of the HER using the Vision Print® System from Essilor. The test person is sitting in an upright position about 40 cm away from the device and is holding onto a bar in the elbow to prevent the upper body from bending sideways. The subject follows the peripheral LEDs which are lit successively.
Impact of new digital technologies on posture
Fig. 11: Angle of rotation of the head relative to the trunk.
Impact of new digital technologies on posture
Fig. 10a: Eye declination.
