| EyeTap Devices for Augmented, Deliberately Diminished, or Otherwise Altered Visual Perception of Rigid Planar Patches of Real-Wo Recent countries visiting this post |  |
 | 4 | United States |
 | 1 |
| EyeTap Devices for Augmented, Deliberately Diminished, or Otherwise Altered Visual Perception of Rigid Planar Patches of Real-Wo Recent countries visiting this post | |
| 4 | United States |
| 1 |