https://www.bleepingcomputer.com/news/hardware/nvidia-removing-support-for-3d-vision-in-game-ready-drivers/

In a support document posted this month, NVIDIA has stated that they will no longer support 3D Vision in GeForce Game Ready drivers after the upcoming April 2019 Release 418 driver.

3D Vision is NVIDIA's is a gaming technology that utilizes software drivers and 3D glasses to play Direct3D games and watch TV in 3D.