You can use polarized 3D glasses to „hide“ your computer's screen. Also you can see the dust particles on it. : r/mildlyinteresting
How to Watch 3D Movies & Videos on PC / Laptop With Polarized 3D Glasses
3D glasses and other 3D display devices
How to Watch 3D Movies on PC with Cinema 3D Glasses - Techsable
2 Pack 3D Glasses for TV Cyan Red Blue 3 Dimensional Glasses for Anaglyph Stereoscopic Movie Comic Book Photo Projector Computer Screen Game DVD Film Television Home Theater - Walmart.com